À.Ñ. = (a.c.) = alternating current = ïåðåìåííûé òîê
a.f. = audio frequency = çâóêîâàÿ ÷àñòîòà
A.F.C. = automatic frequency control = àâòîìàòè÷åñêàÿ ïîäñòðîéêà ÷àñòîòû (ÀÏ×)
a.m. = ante meridiem = äî ïîëóäèÿ
Ñ. — Centigrade or Celsius = ãðàäóñ Öåëüñèÿ
cm.p.s. = centimetres per second = ñì/ñåê
c.p. = candle power = ñâå÷à
c.p.s. = cycles per second = ãåðö
db. = decibel = äåöèáåë
D.C. (d.c.) = direct current = ïîñòîÿííûé òîê
dia = diameter = äèàìåòð
dm. = decimetre = äåöèìåòð
e.g. = exempli gratia = for example, for instance = íàïðèìåð
emf. = electromotive force = ýëåêòðîäâèæóùàÿ ñèëà
etc. = and so on, and so forth = è òàê äàëåå, è òîìó ïîäîáíîå
F. = farad = 1. ôàðàäà, =;Farenheit —1. ãðàäóñ Ôàðåíãåéòà
ft. = foot = ôóò
g. = gramme = ãðàìì
h.f. =high frequency = âûñîêàÿ ÷àñòîòà
hi-fi = high fidelity = âûñîêàÿ òî÷íîñòü (çâóêîâîñïðîèçâåäåíèÿ)
h.p. = horsepower = ëîøàäèíàÿ ñèëà h.p. = high pressure = âûñîêîå äàâëåíèå
hr. =hour = ÷àñ
h.v. = high voltage = âûñîêîå íàïðÿæåíèå
i.e. = id est = that is = òî åñòü
i.f. = intermediate frequency = ïðîìåæóòî÷íàÿ ÷àñòîòà
Kc/s = kilocycles per second = êèëîãåðö
kg = kilogramme = êèëîãðàìì
Kw-hr = kilowatt-hour = êèëîâàòò-÷àñ
j = joule = äæîóëü
lb = pound = ôóíò
lit = litre = ëèòð
1m = lumen = ëþìåí
l.p. = low pressure = íèçêîå äàâëåíèå
l.v. = low voltage = íèçêîå íàïðÿæåíèå
m. = metre =ìåòð
m. = micro = ìèêðî
ml = mile = ìèëÿ
min. = minute = ìèíóòà
No; Nos. = number(s) = íîìåð (à)
pc., pcs. = piece(s) = øòóêà (-è)
p.m. = post meridiem = ïî ïîëóäíè
P.d. = potential difference = ðàçíîñòü ïîòåíöèàëîâ
p.s.f. = pounds per square foot = ôóíòîâ íà êâ. ôóò
p.s.i. = pounds per square inch = ôóíòîâ íà êâ. äþéì
Qnty = quantity = êîëè÷åñòâî
rev. = revolution = îáîðîò
r.f. = radio frequency = âûñîêàÿ ÷àñòîòà
r.p.m.(s) = revolutions per minute (second)= îáîðîòîâ â ìèíóòó (ñåêóíäó)
sc. = scale = øêàëà
sec. = second = ñåêóíäà
sq.in. = square inch = êâàäðàòíûé äþéì
s.w. = specific weight = óäåëüíûé âåñ
t. = ton = òîííà
v. = volt = Âîëüò
v.f. = video frequency = âèäåî÷àñòîòà
viz. = namely = èìåííî
vs. = versus = ïðîòèâ
v.v. = variable voltage = ïåðåìåííîå (ðåãóëèðóåìîå) íàïðÿæåíèå
v.v. = vice versa = íàîáîðîò
W. = watt = âàòò
w.g. = wire gauge = ïðîâîëî÷íûé êàëèáð
yd. = yard = ÿðä
Derivatives
1. Amplify – amplifier, amplification.
2. Attract – attractive, attractively, attraction.
3. Conduct-conductor, conductive, conductivity, conduction, superconduction, semiconductor.
4. Derive – derivative, derivation
5. Describe – description, descriptive, descriptively.
6. Design-designer.
7. Develop-development-developer-developed-developing.
8. Differ – different, difference, differently.
9. Divide – division, dividend, divisor, divider.
10. Define – definite, definition, indefinitely.
11. Direct – directly, director, direction, directive.
12. Equal – equally, equality, equation, equalize, equalizer, equalization.
13. Effect – effective, effectiveness, effectively, ineffective.
14. Economic-economical-economically-economize;
15. Efficient-efficiency-efficiently;
16. Generate-generator-generation-generative;
17. Insulate – insulation, insulative, insulatively, insulator
18. Invent-inventor-inventive-invention;
19. Local – locally, locality, localize, localization, locate, location.
20. Nature – natural, naturally, native, naturalize, naturalization.
21. Multiply – multiplication, multiple, multiplicant, multiplier.
22. Operate – operator, operation, operative.
23. Observe – observer, observatory, observation.
24. Produce – product, productive, productivity, production, productively, producer.
25. Pollute-polluter-pollutant-pollution.
26. Possible-possibly-impossible-possibility.
27. Perform-performing-performance.
28. Real – really, realist, realize, reality, realization.
29. Relate – relation, relative, relativity, relatively.
30. Respect – respection, respectly, respective, respectivity, respectful, respectless.
31. Replace-replacement;
32. Reliable-reliability-reliably.
33. Science – scientist, scientific.
34. Special – specially, speciality, specialist, specialize, specialization.
35. Strong – strongly, strength, strengthen.
36. Transform-transformer-transformation.
37. Use – user, useless, useful, uselessness, usage.
38. Vary-variety-various.
39. Weigh – weight, weightless, weightlessness.
40. Wide – widely, width, widen.
Synonyms
1. aid, help.
2. amount, quantity.
3. beam, ray;
4. complex, complicated, sophisticated.
5. convenient, suitable, comfortable.
6. device, gadget, instrument, appliance;
7. different, various, another.
8. efficient, productive;
9. job, work; performance;
10. material, substance, matter;
11. method, technique;
12. movement, motion;
13. necessary, important, essential, main, fundamental, basic, major, chief.
14. new, modern, up-to-date, present, most recent, latest.
15. power, energy;
16. purity, cleanness;
17. purpose, aim, goal; objective;
18. quick, fast, rapid;
19. similar, alike;
20. simple, easy;
21. small, tiny, little;
22. smart, clever, intelligent;
23. speed, velocity, rate of motion;
24. steady, fixed, stable;
25. stream, flow;
26. sufficient, enough;
27. to achieve, to reach, to get, to obtain;
28. to allow, to permit, to let;
29. to call, to name, to term;
30. to change, to differ, to alter, to vary;
31. to complete, to finish, to stop, to end, to terminate;
32. to connect, to join, to combine;
33. to damage, to break, to destroy; to ruin;
34. to do, to make, to fulfill, to realize, to perform, to operate, to produce, to manufacture, to work;
35. to happen, to occur, to take place;
36. to initiate, to start, to begin, to enter;
37. to investigate, to research, to explore, to study;
38. to select, to choose;
39. to use, to utilize, to apply, to employ, to consume;
40. tremendous, large, big, great, gigantic, enormous, huge;
41. true, correct, right, real;
42. transformer, transducer.
Opposites
30. correct – wrong;
31. continue – interrupt;
32. free – bound;
33. presence – absence;
34. remain – leave;
35. begin – complete, finish
36. safe – dangerous
1. below – above;
2. useful – useless;
3. advantage – disadvantage;
4. low – high;
5. to lose – to find; to get; to obtain;
6. tiny – huge;
7. liquid – solid;
8. further – nearer;
9. cooling – heating;
10. outside – inside;
11. capable – incapable;
12. limited – limitless; unlimited;
13. to enter – to graduate from;
14. at present – in the past;
15. efficient – inefficient;
16. far from – close to;
17. to build – to break;
18. to lift – to descend;
19. majority – minority;
20. external – internal;
21. slow – quick, rapid, fast;
22. simple – complicated, sophisticated;
23. constant – variable;
24. increase – decrease, reduce;
25. inner – outer;
26. attract – repel;
27. different – similar;
28. partial – total;
29. strong – weak;