Engineering English
1 Force /fɔːrs/ Kuvvet
An action that tends to change the state of rest or motion of a body, typically causing it to accelerate or deform.
Engineering Fundamentals Terms in English
Engineering Fundamentals English covers the core vocabulary every engineer needs — forces, units, tolerances, design principles and the language of calculation shared across all disciplines. This free glossary lists the 60 most frequently used of the 407 Engineering Fundamentals terms in the Engineering English iOS app — each with IPA pronunciation and a working definition. In the app, every term also includes example sentences, translations in 21 languages, flashcards and AI conversation practice.
Whatever your specialty, the fundamentals travel with you. Units, loads, tolerances and design principles come up in every technical meeting, drawing review and standard — in exactly these English words. They are the first vocabulary an engineer needs before going deeper into any single discipline.
Last updated: July 30, 2026 · How terms are selected and ranked · 🇹🇷 Türkçesi
Quick answer: The 10 most frequently used Engineering Fundamentals terms in English are Force, Load, Stress, Pressure, Mass, Weight, System, Unit, Measurement, Temperature. The full Engineering English library contains 407 Engineering Fundamentals terms with pronunciation, example sentences, translations and flashcards.
The 60 most-used Engineering Fundamentals terms, ranked by frequency
2 Load /loʊd/ Yük
Any external force, weight, or other action applied to a structure or component that it must support or resist.
3 Stress /strɛs/ Gerilme
The internal force per unit area that develops within a material when external loads are applied to it.
4 Pressure /ˈprɛʃər/ Basınç
The force exerted per unit area on a surface, commonly measured in pascals in engineering applications.
5 Mass /mæs/ Kütle
The amount of matter in a body, which determines its inertia and its response to applied forces.
6 Weight /weɪt/ Ağırlık
The downward force exerted on a body by gravity, equal to its mass multiplied by gravitational acceleration.
7 System /ˈsɪstəm/ Sistem
A set of interacting components organized to achieve a common function or goal. Engineers analyze systems by studying how their parts exchange energy, material, and information.
8 Unit /ˈjuːnɪt/ Birim
A standard quantity used to express and compare measurements of a physical property, such as the meter for length or the pascal for pressure.
9 Measurement /ˈmɛʒərmənt/ Ölçüm
The process of determining the size, amount, or degree of a physical quantity by comparing it with a known standard.
10 Temperature /ˈtɛmpərətʃər/ Sıcaklık
A measure of how hot or cold a body or environment is, reflecting the average kinetic energy of its particles.
11 Free Body Diagram /friː ˈbɒdi ˈdaɪəɡræm/ Serbest cisim diyagramı
A graphical sketch used in mechanics to isolate a body and show all external forces and moments acting on it. It is essential for applying Newton's laws and equations of equilibrium.
12 Equations of Motion /ɪˈkweɪʒənz əv ˈmoʊʃən/ Hareket Denklemleri
Mathematical equations that describe the relationship between forces and the resulting motion of a system, derived from Newton's laws or analytical mechanics.
13 Problem Definition /ˈprɒbləm ˌdɛfɪˈnɪʃən/ Problem tanımı
A clear, precise statement that describes the engineering challenge or need to be addressed. It establishes the scope, objectives, and boundaries for the design process.
14 Thread /θrɛd/ Diş
A helical ridge on a cylindrical or conical surface used to convert rotational motion into linear motion or to fasten components.
15 Dimension Line /dɪˈmɛnʃən laɪn/ Boyut çizgisi
A dimension line is a thin, solid line with arrowheads at both ends that indicates the extent of a dimension on an engineering drawing. It is typically placed between extension lines and contains the numerical measurement.
16 Note /noʊt/ Not
A note on an engineering drawing is a textual annotation that provides additional instructions, explanations, or specifications not conveyed by the graphical representation. Notes are typically placed near the title block or in a dedicated area.
17 Part Number /pɑːrt ˈnʌmbər/ Parça numarası
A part number is a unique identifier assigned to a component or assembly within an engineering system. It is used to track the item across drawings, bills of materials, and inventory databases.
18 Material /məˈtɪriəl/ Malzeme
Material in engineering drawings refers to the substance from which a part is to be manufactured, such as steel, aluminum, or plastic. It is usually specified in the title block or a note and includes grade or standard.
19 Vector /ˈvɛktər/ Vektör
A vector is a quantity having both magnitude and direction, commonly used to represent forces, velocities, and displacements. In engineering, vectors are essential for analyzing systems in multiple dimensions.
20 Partial Derivative /ˈpɑːrʃəl dɪˈrɪvətɪv/ Kısmi türev
A derivative of a function of multiple variables with respect to one variable while holding the others constant. It quantifies the rate of change of the function in a specific coordinate direction.
21 Numerical Integration /njuːˈmɛrɪkəl ˌɪntɪˈɡreɪʃən/ Sayısal entegrasyon
Numerical integration is a method for approximating the definite integral of a function using discrete data points when an analytic antiderivative is unavailable or impractical.
22 Linear Equation /ˈlɪniər ɪˈkweɪʒən/ Doğrusal denklem
A linear equation is an algebraic equation in which each term is either a constant or the product of a constant and a single variable raised to the first power.
23 Differentiation /ˌdɪfəˌrɛnʃiˈeɪʃən/ Türev alma
Differentiation is the process in calculus of finding the derivative of a function, which measures the rate at which a quantity changes with respect to another variable.
24 Elastic Modulus /ɪˈlæstɪk ˈmɒdʒʊləs/ Elastisite Modülü
Elastic modulus is a material property that measures stiffness, defined as the ratio of stress to strain within the elastic deformation region. It quantifies a material's resistance to being deformed elastically when a force is applied.
25 Yield Point /jiːld pɔɪnt/ Akma noktası
The yield point is the stress at which a material begins to deform plastically without an increase in load. It marks the transition from elastic to plastic behavior.
26 Volume /ˈvɒl.juːm/ Hacim
Volume is the measure of the three-dimensional space occupied by a substance or object. It is a fundamental physical quantity used extensively in fluid mechanics and material science.
27 Area /ˈɛə.ri.ə/ Alan
Area is the measure of the extent of a two-dimensional surface. It is essential for calculating loads, stresses, and material requirements.
28 Length /lɛŋθ/ Uzunluk
Length is the fundamental measure of distance along one dimension. It is a base quantity in engineering for sizing components and structures.
29 Time /taɪm/ Zaman
Time is a fundamental physical quantity representing the progression of events. It is critical in dynamics, scheduling, and process control.
30 Speed /spiːd/ Hız
Speed is the rate at which an object covers distance. It is a scalar quantity used in engineering to describe motion, flow, and processing rates.
31 Tensile Strength /ˈtɛnsəl strɛŋθ/ Çekme mukavemeti
The maximum stress a material can withstand under tension before failing. It is a fundamental mechanical property used to design structures subject to pulling forces.
32 Compressive Strength /kəmˈprɛsɪv strɛŋθ/ Basınç dayanımı
The maximum stress a material can withstand under compression before failure. It is critical for columns, foundations, and other load-bearing elements that experience pushing forces.
33 Truss /trʌs/ Kafes kiriş
A truss is a structural framework composed of straight members connected at joints, typically arranged in triangles, designed to resist axial forces efficiently.
34 Compression /kəmˈprɛʃən/ Basınç
Compression is a pushing force that acts along the length of a member, tending to shorten it, and is common in columns, struts, and other structural elements.
35 Reaction /riˈækʃən/ Tepki kuvveti
A reaction is a force or moment exerted by a support on a body in response to applied loads, maintaining static equilibrium of the structure.
36 Shear Force /ʃɪər fɔːrs/ Kesme kuvveti
Shear force is the internal force acting parallel to the cross-section of a structural member. It is a critical quantity in beam analysis and design.
37 Bending Moment /ˈbendɪŋ ˈmoʊmənt/ Eğilme momenti
Bending moment is the internal moment that causes a structural member to bend. It is a fundamental parameter in the design of beams and frames.
38 Uniformly Distributed Load /ˈjuːnɪfɔːmli dɪˈstrɪbjʊtɪd ləʊd/ Düzgün yayılı yük
A uniformly distributed load is a force spread evenly over a length or area of a structure. It is expressed as force per unit length or area.
39 Young's Modulus /jʌŋz ˈmɒdjʊləs/ Young modülü
Young's modulus measures the stiffness of an elastic material, defined as the ratio of tensile stress to tensile strain within the proportional limit.
40 Deformation /ˌdiːfɔːˈmeɪʃən/ Deformasyon
The change in shape or size of a solid body due to applied forces or temperature changes. It can be elastic (reversible) or plastic (permanent).
41 Hooke's Law /hʊks lɔː/ Hooke yasası
A principle that states stress is proportional to strain within the elastic limit of a material.
42 Stress-strain Curve /strɛs streɪn kɜːrv/ Gerilme-gerinim eğrisi
A graphical representation of the relationship between stress and strain for a material under loading.
43 Conversion Factor /kənˈvɜːʒən ˌfæktər/ Dönüşüm faktörü
A conversion factor is a numerical ratio used to convert a quantity from one unit to another. It is derived from the equivalence between two different units.
44 Unit Conversion /ˈjuːnɪt kənˈvɜːrʒən/ Birim dönüştürme
The process of changing a quantity expressed in one unit system to an equivalent quantity in another unit system using conversion factors.
45 Unit System /ˈjuːnɪt ˈsɪstəm/ Birim sistemi
A coherent set of standard units used for measurement, such as the International System of Units (SI) or the Imperial system. Engineers select a unit system to ensure consistency across calculations, drawings and specifications.
46 Strain /streɪn/ Birim şekil değiştirme
The relative deformation of a material, expressed as the change in length divided by the original length, produced by applied stress.
47 Torque /tɔːrk/ Tork
A twisting action produced by a force acting at a distance from an axis, tending to cause rotation about that axis.
48 Moment /ˈmoʊmənt/ Moment
The turning effect of a force about a point or axis, equal to the force multiplied by its perpendicular distance from that point.
49 Friction /ˈfrɪkʃən/ Sürtünme
The resisting force that opposes relative motion or the tendency of motion between two surfaces in contact.
50 Velocity /vəˈlɑːsəti/ Hız
The rate of change of an object's position with time, specified by both magnitude and direction.
51 Acceleration /əkˌsɛləˈreɪʃən/ İvme
The rate at which an object's velocity changes with time, in magnitude, direction, or both.
52 Equilibrium /ˌiːkwɪˈlɪbriəm/ Denge
A state in which all forces and moments acting on a body balance each other, so the body does not accelerate.
53 Work /wɜːrk/ İş
The energy transferred when a force moves its point of application through a distance in the direction of the force.
54 Power /ˈpaʊər/ Güç
The rate at which work is done or energy is transferred, measured in watts.
55 Efficiency /ɪˈfɪʃənsi/ Verim
The ratio of useful output energy or power to the total input, usually expressed as a percentage.
56 Density /ˈdɛnsəti/ Yoğunluk
The mass of a substance contained in a unit volume, typically expressed in kilograms per cubic meter.
57 Gravity /ˈɡrævəti/ Yerçekimi
The natural attractive force that pulls objects toward the Earth, giving bodies their weight.
58 Specification /ˌspɛsɪfɪˈkeɪʃən/ Şartname
A precise written description of the requirements, materials, dimensions, and performance that a product, material, or service must satisfy. It serves as a contractual and technical reference for design, purchasing, and inspection.
59 Prototype /ˈproʊtətaɪp/ Prototip
An early physical or digital version of a product built to test and validate a design concept before full production. It allows engineers to discover problems and improve the design at low cost.
60 Tolerance /ˈtɒlərəns/ Tolerans
The permissible range of variation in a physical dimension or measured value of a manufactured part. It defines how much a real part may deviate from its nominal size and still function correctly.
Engineering Fundamentals terms — frequently asked questions
What are the most common Engineering Fundamentals terms in English?
The 10 most frequently used Engineering Fundamentals terms in the Engineering English library are Force, Load, Stress, Pressure, Mass, Weight, System, Unit, Measurement, Temperature. This page lists the top 60 of 407 terms, ranked by usage frequency.
How many Engineering Fundamentals terms are in the Engineering English app?
407. Each one includes an IPA pronunciation, a plain-English definition, a real example sentence and translations in 21 languages; the 60 most frequent are free to browse on this page.
How do you pronounce Engineering Fundamentals terms in English?
Every term on this page shows its IPA transcription — for example Force is pronounced /fɔːrs/, Load is /loʊd/ and Stress is /strɛs/. The Engineering English app also plays audio for each term and checks your pronunciation with speech recognition.
347 more Engineering Fundamentals terms in the app
Get every term with example sentences, audio, 21-language translations, flashcards and AI practice.
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