volcanic bomb
volcanic bomb A lump of ejected lava, more than 32 mm across, that has acquired one of several characteristic shapes during its trajectory to the ground. For example, bread-crust bombs have a glassy crust, criss-crossed with cracks; a spindle bomb has a tail formed by the twisting or spinning of the blob as it falls; rope or ribbon bombs are twisted strands of solidified lava; and cannonball bombs are formed from solid lumps of lava that have been rounded by abrasion as they bounced to rest.
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Round , round / round/ • adj. 1. shaped like or approximately like a circle or cylinder: she was seated at a small, round table. ∎ having a curved shape like… bloodhound , bloodhound •abound, aground, around, astound, bound, compound, confound, dumbfound, expound, found, ground, hound, impound, interwound, mound, pound,… Theatre-in-the-round , Skip to main content
Theatre-in-the-Round
theatre-in-the-round •abound, aground, around, astound, bound, compound, confound, dumbfound, expound, foun… Shape , shape / shāp/ • n. 1. the external form or appearance characteristic of someone or something; the outline of an area or figure: she liked the shape o… round robin , round rob·in • n. 1. [often as adj.] a tournament in which each competitor plays in turn against every other: a round-robin competition. 2. a petitio… Form , FORM
From the Latin forma, a term signifying figure or shape or "that which is seen" (Gr. ε[symbol omitted]δος) and having many derived meanings, suc…
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volcanic bomb