Pillow-lava
noun, Geology.
1.
lava in the form of an agglomeration of rounded, pillow-shaped masses, the result of subaqueous or subglacial volcanic eruption.
noun
1.
lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses
pillow lava
(pĭl’ō)
Lava that forms from an underwater eruption and is characterized by pillow-shaped masses. Pillow lava forms when hot lava is suddenly exposed to cold water, forming a sacklike membrane that is filled with additional cooling and solidifying lava. The outer membrane is usually finer grained than the inner lava.
Read Also:
- Pillow-sham
noun 1. an ornamental cover laid over a bed pillow. noun 1. (mainly US) a decorative cover for a bed pillow
- Pillow-sword
noun 1. a straight sword of the 17th century.
- Pillow splint
pillow splint pil·low splint (pĭl’ō) n. A splint that is inflatable or that is made from unusually bulky fabric.
- Pillowy
[pil-oh-ee] /ˈpɪl oʊ i/ adjective 1. pillowlike; soft; yielding: a pillowy carpet.
- Pillow-talk
noun 1. private conversation, endearments, or confidences exchanged in bed or in intimate circumstances between spouses or lovers. noun 1. intimate conversation in bed noun phrase Intimate talk, esp that between a couple in bed (1939+)