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81 LSD
[el es d'i:] abbr lysergic acid diethylamide (LSD: droga alucinógena). -
82 PABA
[p'a:bə] abbr para-aminobenzoic acid (ácido paraaminobenzóico). -
83 RNA
[a:r en 'ei] n abbr ribonucleic acid (ácido ribonucléico). -
84 acetic
-
85 alkali
(a substance, the opposite of acid, such as soda.) álcali- alkaline* * *al.ka.li['ælkəlai] n (pl alkalis, alkalies) Chem 1 álcali. 2 sal alcalino. • adj alcalino. -
86 bitter
['bitə]1) (having a sharp, acid taste like lemons etc, and sometimes unpleasant: a bitter orange.) amargo2) (full of pain or sorrow: She learned from bitter experience; bitter disappointment.) amargo3) (hostile: full of hatred or opposition: bitter enemies.) hostil4) (very cold: a bitter wind.) gelado•- bitterly
- bitumen
- bituminous* * *bit.ter1[b'itə] n 1 sabor amargo, amargura, amargor. 2 medicamento amargo, pílula amarga. 3 cerveja amarga. • vt amargar, tornar amargo, ficar amargo. • adj 1 amargo, acre. 2 doloroso, triste, penoso. he is bitter / ele está triste. 3 cáustico, áspero, mordaz. 4 severo, agudo, dolorido. 5 pungente, penetrante. 6 cruel, implacável. bitter enemy / inimigo implacável. to the bitter end até o amargo fim, até a morte. we must take the bitter with the sweet temos de aceitar as coisas como são.————————bit.ter2[b'itə] n Naut volta de abita. the bitter end / ponta do cabo depois da abita. -
87 citric
-
88 contact
['kontækt] 1. noun1) (physical touch or nearness: Her hands came into contact with acid; Has she been in contact with measles?) contacto2) (communication: I've lost contact with all my old friends; We have succeeded in making (radio) contact with the ship; How can I get in contact with him?) contacto3) (a person with influence, knowledge etc which might be useful: I made several good contacts in London.) contacto4) ((a place where) a wire etc carrying electric current (may be attached): the contacts on the battery.) contacto5) (a person who has been near someone with an infectious disease: We must trace all known contacts of the cholera victim.) contacto6) (a person or thing that provides a means of communicating with someone: His radio is his only contact with the outside world.) contacto2. verb(to get in touch with in order to give or share information etc: I'll contact you by telephone.) contactar* * *con.tact[k'ɔntækt] n 1 contato (também Math, Electr), toque. 2 ligação, conexão. 3 relação, comunicação. • vt+vi 1 entrar ou pôr em contato com. 2 comunicar-se com. 3 tocar(-se). • adj Amer que envolve contato. angle of contact Geom ângulo de contato. in contact em contato. point of contact Math ponto de contato. to break contact romper o contato. to make contact with estabelecer contato com. -
89 dilute
1. verb(to lessen the strength etc of by mixing especially with water: You are supposed to dilute that lime juice with water.) diluir2. adjective(reduced in strength; weak: dilute acid.) diluído- dilution* * *di.lute[dail'u:t] vt+vi diluir, diminuir a concentração de um líquido, misturar com água, dissolver, enfraquecer, abrandar. • adj diluído, diluto, fraco. -
90 etch
[e ](to make (designs) on metal, glass etc using an acid to eat out the lines.) gravar* * *[et8] vt+vi 1 gravar com água-forte. 2 causticar. -
91 muriatic
mu.ri.at.ic[mju:ri'ætik] adj muriático, clorídrico. muriatic acid ácido muriático. -
92 reaction
[-ʃən]1) (the act of reacting: What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions.) reacção2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reacção3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reacção* * *re.ac.tion[ri'ækʃən] n 1 reação (freqüentemente usado em substituição às palavras: opinion, attitude, response, feeling), resposta. 2 Chem reação, combinação. 3 Psych resposta orgânica a um estímulo. reaction coupling acoplamento por reação. -
93 salt
[so:lt] 1. noun1) ((also common salt) sodium chloride, a white substance frequently used for seasoning: The soup needs more salt.) sal2) (any other substance formed, like common salt, from a metal and an acid.) sal3) (a sailor, especially an experienced one: an old salt.) marujo2. adjective(containing, tasting of, preserved in salt: salt water; salt pork.) salgado3. verb(to put salt on or in: Have you salted the potatoes?) salgar- salted- saltness
- salty
- saltiness
- bath salts
- the salt of the earth
- take something with a grain/pinch of salt
- take with a grain/pinch of salt* * *[sɔ:lt] n 1 sal, sal de cozinha, cloreto de sódio. 2 Chem sal. 3 coll marujo. • vt 1 salgar, pôr sal. 2 salmourar, tratar com sal. 3 abastecer com sal, depositar sal. 4 fig apimentar, tornar pungente. • adj 1 salgado. 2 com gosto de sal. 3 curado, conservado em sal. 4 ardido, pungente, forte, picante (também fig). 5 indecente, lascivo. an old salt um marujo experimentado, um velho lobo do mar. he is not worth his salt ele não vale o que come. in salt em salmoura. like a dose of salts coll rapidamente. salt of the earth coll pessoa excelente. to lay/ put/cast salt on someone’s tail apanhar alguém (como se apanha pássaro). to rub salt in a wound esfregar sal na ferida, agravar o sofrimento de alguém. to salt out vt coagular. with a grain of salt com certo cuidado, com certas restrições. worth one’s salt valioso, útil. -
94 semiacid
sem.i.acid[semi'æsid] adj subácido, semi-ácido. -
95 vessel
['vesl]1) (a container, usually for liquid: a plastic vessel containing acid.) recipiente2) (a ship: a 10,000-ton grain-carrying vessel.) navio* * *ves.sel -
96 eat into
(to destroy or waste gradually: Acid eats into metal; The school fees have eaten into our savings.) gastar -
97 alkali
-
98 bitter
['bitə]1) (having a sharp, acid taste like lemons etc, and sometimes unpleasant: a bitter orange.) amargo2) (full of pain or sorrow: She learned from bitter experience; bitter disappointment.) amargo3) (hostile: full of hatred or opposition: bitter enemies.) acérrimo4) (very cold: a bitter wind.) gelado•- bitterly - bitumen - bituminous -
99 citric
['sitrik] - citrus fruit -
100 contact
['kontækt] 1. noun1) (physical touch or nearness: Her hands came into contact with acid; Has she been in contact with measles?) contato2) (communication: I've lost contact with all my old friends; We have succeeded in making (radio) contact with the ship; How can I get in contact with him?) contato3) (a person with influence, knowledge etc which might be useful: I made several good contacts in London.) contato4) ((a place where) a wire etc carrying electric current (may be attached): the contacts on the battery.) contato5) (a person who has been near someone with an infectious disease: We must trace all known contacts of the cholera victim.) contato6) (a person or thing that provides a means of communicating with someone: His radio is his only contact with the outside world.) contato2. verb(to get in touch with in order to give or share information etc: I'll contact you by telephone.) contatar
См. также в других словарях:
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