| BIOHAZARD | • biohazard n. A biological hazard; a source of risk due to some biological factor such as bacteria or human waste. • BIOHAZARD n. a danger of disease or pollution from living organisms. |
| BIRCHWOOD | • birchwood n. (Countable) A wood largely populated with birch trees (Betula spp.). • birchwood n. (Uncountable) The wood from a birch tree. • Birchwood prop.n. A civil parish of Warrington, Cheshire, England (OS grid ref SJ6491). |
| BIRDHOUSE | • birdhouse n. A small house for birds. • birdhouse n. An aviary. • BIRDHOUSE n. a nesting-box; an aviary. |
| BIRDSHOTS | • birdshots n. Plural of birdshot. • BIRDSHOT n. small shot for shooting birds. |
| BIRTHDOMS | • birthdoms n. Plural of birthdom. • BIRTHDOM n. (Shakespeare) birthright. |
| CHIPBOARD | • chipboard n. (Australia, UK) A building material made from wood chips compressed and bound with synthetic resin. • CHIPBOARD n. reconstructed wood made from compressed chippings. |
| HOMEBIRDS | • homebirds n. Plural of homebird. • HOMEBIRD n. a person who is reluctant to leave their hometown or their childhood home. |
| HYBRIDOMA | • hybridoma n. (Immunology) A hybrid cell engineered from a lymphocyte and a tumour cell; used to generate monoclonal antibodies. • HYBRIDOMA n. a hybrid cell produced by the fusion of an antibody-producing lymphocyte with a tumor cell. |
| HYBRIDOUS | • hybridous adj. (Archaic) hybrid. • HYBRIDOUS adj. hybrid. |
| RHABDOIDS | • rhabdoids n. Plural of rhabdoid. • RHABDOID n. a rodlike body. |
| RHOMBOIDS | • rhomboids n. Plural of rhomboid. • RHOMBOID n. a parallelogram with unequal sides, also RHOMBOIDES, RHOMBOIDEUS. |
| SHIPBOARD | • shipboard adj. (Nautical) Occurring or existing on board a ship. • shipboard adj. (Figurative) casual or ephemeral (e.g. a shipboard romance). • shipboard n. The side of a ship. |
| SHOREBIRD | • shorebird n. A bird, or species of birds, that is found near the edge of bodies of water. • shore␣bird n. Alternative form of shorebird. • SHOREBIRD n. any of various birds that live on the shore or close to water. |
| THORNBIRD | • thornbird n. A small South American bird (Anumbius annumbi) that builds a large and complex nest of twigs and thorns. • THORNBIRD n. any of several tropical birds of the genus Phacellodomus that construct large globe-shaped nests. |