different between perihelion vs arachnid
perihelion
English
Etymology
From perihelium (“perihelion”) (obsolete) +? -on (suffix forming nouns) (from Ancient Greek -?? (-on)). Perihelium is borrowed from Late Latin perihelium, from Ancient Greek ????- (perí-) (a variant of ????- (peri-, prefix meaning ‘around; surrounding’), ultimately from Proto-Indo-European *per- (“before, in front; first”)) + ????? (h?lios, “sun”) (ultimately from Proto-Indo-European *sóh?wl? (“sun”) or a pre-Hellenic language), which was modelled after perigeum (“point in an orbit about the Earth that is closest to the Earth, perigee”).
Pronunciation
- (Received Pronunciation) enPR: ?p?r-?-?h?l-(?)-y?n, IPA(key): /?p?.???hi?.l?.?n/
- (General American) enPR: ?p?r-?-?h?l-(?)-y?n, IPA(key): /?p?.???hi.lj?n/
- Rhymes: -?lj?n (GA)
- Hyphenation: pe?ri?he?li?on
Noun
perihelion (plural perihelia or (deprecated) perihelions)
- (astronomy) The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun.
- Synonym: (symbol) ?
- Antonym: aphelion
- (figuratively) The highest point or state; the peak, zenith.
- Synonyms: see Thesaurus:apex
Hypernyms
- periapsis
Coordinate terms
Derived terms
- perihelial (rare)
- perihelian (archaic)
- perihelic
Translations
See also
- Appendix:List of astronomical terms
References
Further reading
- apsis on Wikipedia.Wikipedia
Esperanto
Noun
perihelion
- accusative singular of perihelio
perihelion From the web:
arachnid
English
Etymology
French arachnide (1809, Lamarck), from Ancient Greek ?????? (arákhn?, “spider”), with the suffix -id.
Pronunciation
- (US) IPA(key): /???ækn?d/
Noun
arachnid (plural arachnids)
- Any of the eight-legged creatures, including spiders and scorpions, of the class Arachnida.
- Hyponyms: see Thesaurus:arachnid
Derived terms
- arachnophobia
Translations
Further reading
- arachnid on Wikipedia.Wikipedia
Anagrams
- Richanda
arachnid From the web:
- what arachnids are there
- what arachnids are not spiders
- what arachnid are you quiz
- what arachnids live in the amazon rainforest
- what arachnids are predators
- arachnid meaning
- what arachnids live in the great barrier reef
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