different between allotroph vs allotrope

English

Etymology

allo- +? -troph

Noun

allotroph (plural allotrophs)

1. (rare) Synonym of heterotroph
   • 1970, Stephen H. Dole, Habitable Planets for Man, page 142:

     A living thing using only inorganic materials as food, as opposed to heterotrophs, allotrophs, parasites, or saprophytes, which depend on other organisms for nutrition.

   • 1978, Israel Journal of Entomology, volumes 12-14, page 138:

     It is possible that at a young age these secondary host plants (allotrophs) have a similar chemistry to that of the primary hosts that is also attractant and palatable for the beetles. It is also possible that the allotrophs are actually phytochemically […]

Usage notes

• Allotrophe is rare; indeed, it occurs as a misspelling of allotrope (even in college-level reference works) almost as often as it occurs as asynonym of heterotroph.

Translations

References

English

Etymology

Back-formation from allotropy, as allo- +? -trope, from Ancient Greek ????? (állos, “other”), and ?????? (trópos, “way, manner”).

Pronunciation

• (UK) IPA^(key): /?æ.l?.t???p/

Noun

allotrope (plural allotropes)

1. (chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element. [from 1847]

   Ozone (O₃) is an allotrope of oxygen, normally O₂

   Note: Different structural forms of a compound are isomers.

2. (linguistics) An other form, a different shape of a lexical unit.
3. (philosophy) An alternative shape of a cognitive structure.

Related terms

• allotropic
• allotropical
• allotropism
• allotropous

Translations

Further reading

• allotrope on Wikipedia.Wikipedia

References

French

Etymology

Ancient Greek ????? (állos, “other”), and ?????? (trópos, “way, manner”).

Pronunciation

• IPA^(key): /a.l?.t??p/

Noun

allotrope m (plural allotropes)

1. (chemistry) allotrope.

   L’ozone est un allotrope de l’oxygène — Ozone is an allotrope of oxygen.

Adjective

allotrope (plural allotropes)

1. (chemistry) allotropic.

Related terms

• allotropie

German

Adjective

allotrope

1. inflection of allotrop:
   1. strong/mixed nominative/accusative feminine singular
   2. strong nominative/accusative plural
   3. weak nominative all-gender singular
   4. weak accusative feminine/neuter singular