different between homotope vs isotope

English

Verb

homotope (third-person singular simple present homotopes, present participle homotoping, simple past and past participle homotoped)

1. (topology, transitive) To define or demonstrate a homotopy of (one map with another).
2. (topology, transitive) More loosely, to exhibit a homotopy equivalence between two spaces.

Related terms

• isotope

English

Etymology 1

From iso- (“equal”) +? -tope (“place”), because the different isotopes of a chemical element always occupy the same position in the periodic table of elements. The term was coined by Scottish doctor Margaret Todd in 1909 and first used publicly on February 27, 1913 by English chemist Frederick Soddy.

Pronunciation

• (Received Pronunciation) IPA^(key): /?a?.s?.t??p/
• (US) enPR: ?'s?t?p, IPA^(key): /?a?.s?.to?p/

Noun

isotope (plural isotopes)

1. (physics) Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms of isotopes will have the same atomic number but a different mass number.

Usage notes

Technically, isotopes are nuclides having the same atomic number but different mass number. In practice, the term isotope is often used instead of nuclide.

Derived terms

Translations

See also

• isobar
• isotone

Etymology 2

Possible back-formation from isotopy.

Pronunciation

• (US) IPA^(key): /?a?.s?.to?p/

Verb

isotope (third-person singular simple present isotopes, present participle isotoping, simple past and past participle isotoped)

1. (topology, transitive) To define or demonstrate an isotopy of (one map with another).

Related terms

• homotope

Anagrams

• pooiest, pooties

French

Pronunciation

• IPA^(key): /i.zo.t?p/

Adjective

isotope (plural isotopes)

1. isotopic (relating to isotopes)

Noun

isotope m (plural isotopes)

1. isotope

Further reading

• “isotope” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

German

Adjective

isotope

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

Latin

Noun

isotope

1. vocative singular of isotopus