orthocumulate

English

Etymology

Etymology tree

Proto-Indo-European *h₃erdʰ-der.

Proto-Hellenic *ortʰwós

Ancient Greek ὀρθός (orthós)lbor.

English ortho-

Proto-Indo-European *ḱewh₁-

Proto-Indo-European *ḱuh₁mósder.?

Latin cumulus

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-yéti

Proto-Indo-European *-eh₂yéti

Proto-Indo-European *-h₂tiinflu.

Proto-Italic *-ājō

Proto-Italic *-āō

Latin -ō

Latin cumulō

Latin cumulātusbor.

English cumulate

English orthocumulate

From ortho- + cumulate.

Noun

orthocumulate (plural orthocumulates)

1. (geology) A cumulate rock in which the groundmass is of different composition to the accumulated crystals.

Related terms

• adcumulate
• mesocumulate