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[beis]
o cơ sở, nền, nền tảng, nền móng
o trụ (vỉa)
o căn cứ
o chân (núi), đáy, đế
o (toán học) cơ số, đường đáy, đường mặt đáy
o (hoá học) basơ
§ aromatic base : bazơ dãy thơm
§ established base : cơ sở đã thiết lập
§ inorganic base : bazơ vô cơ
§ naphthene base : gốc napthten, gốc atphan
§ oil base : nền dầu
§ organic base : bazơ hữu cơ
§ quinoline base : bazơ quinilin
§ base abstract : bản tóm tắt cơ bản
§ base exchange : trao đổi cation
Sự thay thể một loạ cation, thí dụ natri, ở trên bề mặt của một khoáng vật sét bởi một loại cation khác, thí dụ canxi.
§ base line : tuyến cơ sở; đường chuẩn, đường mốc
§ base load : tải cơ bản
Mức tải thấp nhất trong một chu kỳ ngày hoặc năm.
§ base metal : kim loại thường
Kim loại thông thường, hoạt tính hoá học, như chí hoặc đồng. Kim loại thường nằm ở đầu dưới của dãy điện hoá.
§ base of weathering : đáy phong hoá
Ranh giới trong thăm dò địa chất giữa lớp tốc độ thấp ở trên mặt hoặc là lớp có tốc độ cao nằm ở bên dưới.
§ base pressure : áp suất cơ sở
áp suất từ đó tính áp suất khí. áp suất cơ sở thường xấp xỉ với áp suất khí quyển (14,7 psi).
§ base price : giá gốc
Giá gốc của dầu thô căn cứ theo cấp dầu, chất lượng dầu và địa điểm.
§ base royalty : thuế tài nguyên cơ bản
§ base sediment and water : nước và tạp chất cơ sở
§ base square : đáy hình vuông
Word families (Nouns, Verbs, Adjectives, Adverbs): base, the basics, basis, base, baseless, basic, basically
Word families (Nouns, Verbs, Adjectives, Adverbs): base, the basics, basis, base, baseless, basic, basically
Xem thêm: alkali, base of operations, foundation, fundament, foot, groundwork, substructure, understructure, bag, radix, floor, basis, foundation, fundament, groundwork, cornerstone, pedestal, stand, basis, home, al-Qaeda, Qaeda, al-Qa'ida, al-Qaida, Base, root, root word, stem, theme, radical, infrastructure, establish, ground, found, free-base, station, post, send, place, basal, baseborn, humble, lowly, dishonorable, dishonourable, immoral, unethical, mean, meanspirited, baseborn, footing, ground, base, foundation, fundament, groundwork, cornerstone, base
base noun
1 lowest part
ADJ. firm, solid, strong
VERB + BASE have The statue has a solid concrete base.
2 original idea/situation
ADJ. firm, secure, solid, sound, strong | economic, ideological His arguments have a sound economic base.
VERB + BASE have | establish, give sb, provide (sb with) These policies give us a solid base for winning the next election. | use sth as
PREP. ~ for He used the notes as a base for his lecture.
3 of support/income/power
ADJ. solid, sound | broad, narrow These policies have a broad base of support. | power a politician with a rural power base | commercial, economic, financial, industrial, manufacturing, tax The country has a sound commercial base. | client, customer
VERB + BASE have | develop, expand, improve, increase The company is trying to expand its customer base.
BASE + VERB grow | shrink
4 main place
ADJ. excellent, ideal, perfect
VERB + BASE have The company has its base in New York. | establish, set up The company has set up its new base in the north.
BASE + NOUN camp
PREP. ~ for an ideal base for mountain expeditions
5 military centre
ADJ. foreign Demonstrators demanded the removal of foreign bases. | air, air force, military, missile, NATO, naval, RAF
VERB + BASE have | build, establish The Americans established a naval base on the island in the 1960s.
PREP. at a/the~ equipment kept at the base | on a/the ~ people living on the air force base | to (the) ~ The planes have all returned to base.
n.
bases include oxides and hydroxides of metals and ammonia
the attack wiped out our forward bases
it was built on a base of solid rock
he stood at the foot of the tower
he scrambled to get back to the bag
10 is the radix of the decimal system
the base of the mountain
the base of the skull
the government established a wage floor
the whole argument rested on a basis of conjecture
the base of the lamp
the base of the triangle
the basis of this drink is orange juice
thematic vowels are part of the stem
the industrial base of Japan
glycerinated gelatin is used as a base for many ointments
he told the painter that he wanted a yellow base with just a hint of green
everything she cooked seemed to have rice as the base
a tub should sit on its own base
v.
base a claim on some observation
adj.
the painter applied a base coat followed by two finishing coats
base coins of aluminum
a base metal
baseborn wretches with dirty faces
of humble (or lowly) birth
base and unpatriotic motives
a base, degrading way of life
cheating is dishonorable
they considered colonialism immoral
unethical practices in handling public funds
that liberal obedience without which your army would be a base rabble"- Edmund Burke; "taking a mean advantage
chok'd with ambition of the meaner sort"- Shakespeare; "something essentially vulgar and meanspirited in politics
an attempt to eliminate the base coinage
n.
they were on a friendly footing
he worked on an interim basis
the whole argument rested on a basis of conjecture
the basis of this drink is orange juice