different between volcanic vs allotriomorph

English

Etymology

From French volcanique, from volcan (“volcano”); and/or directly from volcan(o) +? -ic.

Pronunciation

• (UK) IPA^(key): /v?l?kan?k/
• Hyphenation: vol?can?ic

Adjective

volcanic (not comparable)

1. Of or pertaining to a volcano or volcanoes

   volcanic heat.

   volcanic activity.

2. Produced by a volcano, or, more generally, by igneous agencies

   volcanic tufa

   volcanic ash

3. Changed or affected by the heat of a volcano.
4. (figuratively) Reminiscent of a volcano; explosive, violent, full of suppressed anger, energy etc.
   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin 2010, p. 556:

     With that the system was complete, and ready to have its disastrous effect on Martin Luther's volcanic temper.

Hyponyms

• cryovolcanic

Derived terms

Translations

Noun

volcanic (plural volcanics)

1. A volcanic rock.

   The Ellesmere Island Volcanics are a Late Cretaceous volcanic group of volcanoes and lava flows in the Qikiqtaaluk Region of northern Ellesmere Island, Nunavut, Canada.

English

Etymology

Classical compound, Ancient Greek ????????? (allótrios, “foreign”) +? -morph.

Noun

allotriomorph (plural allotriomorphs)

1. (geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.

Synonyms

• xenomorph

Derived terms

• allotriomorphic