different between extinct vs basilosaurus

English

Etymology

Recorded since 1432; borrowed from Latin extinctus, the past participle of extinguere (“to put out, destroy, abolish, extinguish”), corresponding to ex- + stinguere (“to quench”)

Pronunciation

• IPA^(key): /?k?st??kt/, /?k?st??kt/
• Rhymes: -??kt

Adjective

extinct (not comparable)

1. (dated) Extinguished, no longer alight (of fire, candles etc.)

   Poor Edward's cigarillo was already extinct.

2. No longer used; obsolete, discontinued.

   The title became extinct when the last baron died.

   Luckily, such ideas about race are extinct in current sociological theory.

   • Indeed the very fact that the English spelling system writes in there as two words but therein as one word might be taken as suggesting that only the former is a productive syntactic construction in Modern English, the latter being a now extinct construction which has left behind a few fossil remnants in the form of compound words such as thereby.

3. (of a group of organisms, as a species) No longer in existence; having died out.

4. (geology) No longer active.

Synonyms

• (no longer used): See also Thesaurus:obsolete
• (having died out): See also Thesaurus:inexistent
• (volcanology: no longer erupting): dead

Antonyms

• (no longer alight): burning
• (having died out): extant; See also Thesaurus:existent
• (volcanology: no longer erupting): active, dormant

Related terms

• extinction
• extinctive
• extinguish
• distinct

Translations

Further reading

• extinct at OneLook Dictionary Search
• extinct in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• extinct in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Verb

extinct (third-person singular simple present extincts, present participle extincting, simple past and past participle extincted)

1. (transitive, nonstandard) To make extinct; to extinguish or annihilate.

English

Noun

basilosaurus (plural basilosauruses)

1. Any species of several very large extinct cetaceans belonging to the Genus Basilosaurus, of the family Basilosauridae, from the late Eocene. the two species in the genus B.isis (found in Egypt and Tunisia) and B. cetoides (found in the southern and eastern US).