Rung.vn Từ điển - Cộng đồng hỏi đáp trực tuyến
X
Từ điển Anh - Anh Tra từ Pentane
  • Từ điển Anh - Anh

Pentane

Nghe phát âm
( Xem từ này trên từ điển Anh Việt)

Noun Chemistry, Pharmacology .

a hydrocarbon of the methane series, existing in three liquid isomeric forms.
Also called normal pentane. the most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C 5 H 1 2 , obtained from petroleum by distillation
used chiefly as a solvent and in medicine as an anesthetic.

Xem thêm các từ khác

  • Pentangle

    pentagram.

  • Pentangular

    having five angles and five sides; pentagonal.

  • Pentateuch

    the first five books of the old testament, genesis , exodus , leviticus , numbers , and deuteronomy .

  • Pentathlon

    an athletic contest comprising five different track and field events and won by the contestant gaining the highest total score., modern pentathlon.

  • Pentavalent

    having a valence of 5, quinquevalent ( def. 2 ) ., pentavalent arsenic .

  • Pentecost

    a christian festival celebrated on the seventh sunday after easter, commemorating the descent of the holy ghost upon the apostles; whitsunday., shavuoth.

  • Penthouse

    an apartment or dwelling on the roof of a building, usually set back from the outer walls., any specially designed apartment on an upper floor, esp. the...

  • Pentode

    a vacuum tube having five electrodes, usually a plate, three grids, and a cathode, within the same envelope.

  • Pentose

    a monosaccharide containing five atoms of carbon, as xylose, c 5 h 1 0 o 5 , or produced from pentosans by hydrolysis.

  • Penult

    the next to the last syllable in a word.

  • Penultimate

    next to the last, of or pertaining to a penult., a penult., the penultimate scene of the play .

  • Penumbra

    astronomy ., a shadowy, indefinite, or marginal area., noun, the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet,...

  • Penurious

    extremely stingy; parsimonious; miserly., extremely poor; destitute; indigent., poorly or inadequately supplied; lacking in means or resources., adjective,...

  • Penuriousness

    extremely stingy; parsimonious; miserly., extremely poor; destitute; indigent., poorly or inadequately supplied; lacking in means or resources., noun,...

  • Penury

    extreme poverty; destitution., scarcity; dearth; inadequacy; insufficiency., noun, beggary , destitution , impecuniosity , impecuniousness , impoverishment...

  • Peon

    (in spanish america) a farm worker or unskilled laborer; day laborer., (formerly, esp. in mexico) a person held in servitude to work off debts or other...

  • Peonage

    the condition or service of a peon., the practice of holding persons in servitude or partial slavery, as to work off a debt or to serve a penal sentence.

  • Peony

    any of various plants or shrubs of the genus paeonia, having large, showy flowers, as the widely cultivated species p. lactiflora, the state flower of...

  • People

    persons indefinitely or collectively; persons in general, persons, whether men, women, or children, considered as numerable individuals forming a group,...

  • Pep

    lively spirits or energy; vigor; animation. ?, pep up, to make or become spirited, vigorous, noun, noun, or lively; animate, we need something to...
Điều khoản Nhóm phát triển
Rừng Từ điển trực tuyến © 2024
DMCA.com Protection Status
có bài viết mới ↑

Bạn vui lòng đăng nhập để đăng câu hỏi

Mời bạn nhập câu hỏi ở đây (đừng quên cho thêm ngữ cảnh và nguồn bạn nhé)
Loading...
Top