proton

名词 n.
中文释义
英 /ˈpɹəʊ.tɒn/    美 /ˈpɹoʊ.tɑn/

英文释义

名词 n.
  1. A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark. particle
    — The dance of the electrons about the prota, each electron and each proton consisting of a series of waves occupying the whole of the limited universe and obeying the laws of nature as they pass, is known to all.
  2. A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.; The atomic nucleus of protium (hydrogen-1) particle
  3. Synonym of primordium. obsolete
    — It is a well authenticated fact that, in the case of section of a peripheral nerve, the nuclei of the sheath of Schwann pass to the centre of the lumen and form the protoplasmic prota of the segments of the new nerve[…]. From studies of the development of the olfactory organs in reptiles, as reported briefly in earlier numbers of this Journal, the writer has been abundantly convinced of the truth of Beard’s statement that the olfactory prota arise from the skin[…].

词形变化

protons plural

词汇关系

近义词
p
上位词
atomic nucleus baryon nucleon
衍生词
antiproton diproton interproton nonproton photoproton protic protonate protonation proton capture proton halo protonic protonics protonium protonize protonlike protonmotive proton number protonography protonolysis protonophore protonosphere proton pump proton therapy proton transfer protophobic prototropy quasiproton triproton
相关词
protide protium
并列词
electron neutron

词源

Etymology tree
Proto-Indo-European *per-der.?
Proto-Indo-European *per-der.?
Proto-Indo-European *pér
Proto-Indo-European *-o
Proto-Indo-European *próder.
Ancient Greek πρό (pró)
Ancient Greek -ᾰτος (-ătos)
Ancient Greek πρῶτον (prôton)lbor.
English proton
Learned borrowing from Ancient Greek πρῶτον (prôton), neuter of πρῶτος (prôtos, “first”).
(physics): Coined by New Zealand-British scientist Ernest Rutherford in 1920, in analogy with electron (1891), and with an additional intention of honoring English chemist William Prout. Analyzable as proto- + -on
(anatomy): A translation of German Anlage (“fundamental thing”) based on Aristotle’s phrase ἡ πρώτη οὐσία τὸ πρῶτον (hē prṓtē ousía tò prôton).
0 次浏览 数据来源: Wiktionary