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o số, số lượng
o chỉ số
§ acid number : chỉ số axit
§ asphaltic number : chỉ số atphan
§ ASTM. colour number : chỉ số màu (đo bằng máy so màu) ASTM
§ ASTM steam emulsion number : chỉ số nhũ hóa hơi theo phương pháp ASTM
§ atomic number : nguyên tử số
§ aviation octane number : chỉ số octan xăng máy bay
§ base number : chỉ số bazơ
§ bromine number : chỉ số brom
§ cetane number : chỉ số xetan
§ cetene number : chỉ số xeten
§ CFR octane number : chỉ số octan CFR
§ chemical octane number : chỉ số octan
§ clear ASTM octane number : chỉ số octan ASTM tinh khiết
§ colour index number : số thứ tự trong bảng màu
§ coordination number : số phối vị
§ copper number : chỉ số đồng (trong phép đo hàm lượng mecaptan của sản phẩm dầu)
§ designation number : số chỉ dẫn, số tham khảo, số danh mực
§ emulsion number : chỉ số nhũ tương
§ ester number : chỉ số ette
§ even number : số chẵn
§ file number : số hồ sơ
§ hardness number : độ cứng
§ Hehner number : chỉ số Hehner (hàm lượng axit béo không tan trong nước hoặc trong dầu)
§ heptane number : chỉ số heptan
§ Herschel demulsibility number : chỉ số khử nhũ tương Hehner
§ hubl number : chỉ số iot
§ index number : số chỉ số
§ iodine number : chỉ số iot
§ Kaufmann number : chỉ số Kaufmann
§ ketene number : chỉ số xeten
§ mass number : chỉ số khối lượng
§ mixed number : số hỗn tạp
§ motor octane number : chỉ số octan (xăng) động cơ
§ naumene number : chỉ số nomen (chỉ số mỡ hoặc nhựa trong dầu khoáng)
§ neutralization number : chỉ số trung hòa, chỉ số axit
§ octane number : chỉ số octan
§ octane mechanical number : chỉ số octan thực
§ oxidation number : chỉ số oxi hóa
§ penetration number : độ thấm
§ performance number : chỉ số tính năng (để phân loại xăng máy bay)
§ peroxide number : chỉ số preroxit
§ polar number : số cực
§ potential hydrogen number : trị số thế hiđro
§ precipitation number of lubricating oils : chỉ số kết tủa của dầu bôi trơn
§ prime number : số nguyên tố
§ quantum number : lượng tử số
§ Rayleigh number : số Rayleigh
§ reduction number : trị số khử, trị số giảm
§ research octane number : chỉ số octan nghiên cứu, chỉ số octan lý thuyết
§ Reynolds number : số Reynolds
§ road octane number : chỉ số octan xăng ôtô
§ SAE number of lubricants : số SAE dầu bôi trơn động cơ
§ saponification number : chỉ số xà phòng hóa
§ serial number : số thứ tự
§ steam emulsion number : chỉ số khử nhũ tương bằng hơi nước
§ strong acid number : chỉ số axit mạnh
§ sulphur number : chỉ số lưu huỳnh
§ supercharge octance number : chỉ số octan nạp quá
§ total acid number : tổng giá trị axit
§ total base number : tổng giá trị bazơ
§ number of revolution : số vòng quay
§ number of strokes : số thì (động cơ)
Number
Số đeo (VĐV)
Word families (Nouns, Verbs, Adjectives, Adverbs): number, numeral, number, outnumber, enumerate, innumerable, numerical, numerous, numbered, numerate
Word families (Nouns, Verbs, Adjectives, Adverbs): number, numeral, number, outnumber, enumerate, innumerable, numerical, numerous, numbered, numerate
Xem thêm: figure, act, routine, turn, bit, identification number, phone number, telephone number, numeral, issue, total, add up, come, amount, list, count, count, enumerate, numerate, keep down, benumb, blunt, dull, asleep(p), benumbed, dead(p), numb(p), petrified
number noun
1 symbol/word
ADJ. cardinal, decimal, ordinal | even, odd Houses on this side of the road have even numbers. | high, low | prime | random | lucky, unlucky Many people think 13 is an unlucky number. | winning the winning numbers in tonight's lottery
VERB + NUMBER add, divide, multiply, subtract, take away Add all the numbers together, divide by ten, and take away the number you first thought of.
PHRASES in round numbers There were about 150 there, in round numbers. | number crunching (= doing calculations) There's more to accountancy than just number crunching.
2 quantity/amount
ADJ. considerable, enormous, great, huge, inordinate, large, substantial, vast | record a record number of enquiries | disproportionate, surprising | fair, reasonable, significant We've had a fair number of complaints about the new phone system. | finite, infinite There are an infinite number of solutions to the problem. | equal The candidates received an equal number of votes. | maximum, minimum | average, mean, median | adequate, sufficient | limited, small | growing, increasing, rising | exact, precise Many people have died in the epidemic?the precise number is not known. | indefinite, unspecified | approximate | total
VERB + NUMBER grow in, increase in Factories had increased in number between the wars. | decrease in, reduce in
NUMBER + VERB double, grow, increase | decline, diminish, drop, dwindle, fall (off/down) Shark numbers have dwindled as a result of hunting.
PREP. in ~ The paintings, twelve in number, are over 200 years old.
PHRASES a decline/drop in numbers The decline in numbers of young people means that fewer teachers will be needed. | a growth/an increase in numbers, few/limited/small in number Wild dogs are now few in number.
3 for identifying sb/sth
ADJ. account, identity, registration, serial, etc. | flat, house
PREP. at ~ We live at number 21.
4 telephone number
ADJ. fax, phone, telephone | home, office, work | wrong I keep getting the wrong number.
VERB + NUMBER call, dial, phone, ring | get
n.
he had a number of chores to do
the number of parameters is small
the figure was about a thousand
every number has a unique position in the sequence
he did his act three times every evening
she had a catchy little routine
it was one of the best numbers he ever did
she refused to give them her Social Security number
he has an unlisted number
he learned to write the numerals before he went to school
she found an old issue of the magazine in her dentist's waiting room
I hope to become one of their number before I die
in English the subject and the verb must agree in number
she preferred the black nylon number
this sweater is an all-wool number
a number 13 shoe
v.
The bills amounted to $2,000
The bill came to $2,000
You should number the pages of the thesis
We must number the names of the great mathematicians
The academy counts several Nobel Prize winners among its members
Can you count the books on your shelf?
Count your change
adj.
my foot is asleep
numb with cold
passersby were dead to our plea for help
numb to the cries for mercy
petrified with fear
she was petrified by the eerie sound
too numb with fear to move