Matching Words
2735 ResultsBelow are the words that matched your query.
Pyrethrum
- noun - made of dried flower heads of pyrethrum plants
- spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum
- used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
- white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
Pyrexical
- - Of or pertaining to fever; feverish.
Pyridines
- noun - a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
Pyridoxal
- noun - a B vitamin that is essential for metabolism of amino acids and starch
Pyritical
- - Of or pertaining to pyrites; consisting of, or resembling, pyrites.
Pyroboric
- - Pertaining to derived from, or designating, an acid, H2B4O7 (called also tetraboric acid), which is the acid ingredient of ordinary borax, and is obtained by heating boric acid.
Pyroclast
- unknown - A piece of debris ejected from a volcano.
Pyrogenic
- adjective - produced by or producing fever
- produced under conditions involving intense heat; "igneous rock is rock formed by solidification from a molten state; especially from molten magma"; "igneous fusion is fusion by heat alone"; "pyrogenic strata"
Pyrograph
- noun - a design produced by pyrography