| ABORIGIN | • aborigin n. (Obsolete) Aborigine. • ABORIGIN n. an original or native inhabitant of a country, also ABORIGEN, ABORIGINE. |
| AMBITION | • ambition n. (Uncountable, countable) Eager or inordinate desire for some object that confers distinction, as preferment… • ambition n. (Countable) An object of an ardent desire. • ambition n. A desire, as in (sense 1), for another person to achieve these things. |
| ANOBIIDS | • anobiids n. Plural of anobiid. • ANOBIID n. any of a family of beetles with a hood, including the deathwatch beetle. |
| BIBATION | • bibation n. (Obscure) Drinking, act of drinking (especially alcohol), imbibing. • BIBATION n. tippling. |
| BIGNONIA | • bignonia n. Any member of the genus Bignonia of flowering plants in the catalpa family. • Bignonia prop.n. A taxonomic genus within the family Bignoniaceae. • BIGNONIA n. any member of the Bignonia genus of tropical plants with trumpet-shaped flowers. |
| BINOMIAL | • binomial adj. Consisting of two terms, or parts. • binomial adj. (Statistics) Of or relating to the binomial distribution. • binomial n. (Algebra) A polynomial with two terms. |
| BIOCIDAL | • biocidal adj. Able to kill living organisms, especially microorganisms. • BIOCIDAL adj. killing living material. |
| BIOTICAL | • biotical adj. Biotic. • BIOTICAL adj. relating to living organisms, also BIOTIC. |
| BOLIVIAS | • bolivias n. Plural of bolivia. • BOLIVIA n. (Spanish) a soft fabric. |
| CIBATION | • cibation n. (Obsolete) The act of taking food. • cibation n. (Obsolete, alchemy) The operation of feeding the contents of the crucible with fresh material. • CIBATION n. a process used by alchemists. |
| DIABOLIC | • diabolic adj. Showing wickedness typical of a devil. • diabolic adj. Extremely evil or cruel. • DIABOLIC adj. devilish. |
| IBOGAINE | • ibogaine n. (Biochemistry) A naturally-occurring psychoactive compound found in a number of plants, principally… • IBOGAINE n. an alkaloid used as an antidepressant. |
| ISOBARIC | • isobaric adj. Having the same pressures, masses, or densities. • isobaric adj. (Physics) (of a thermodynamic process) having a constant pressure throughout. • isobaric adj. (Physics) isobaryonic. |
| LIBATION | • libation n. The act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on… • libation n. The wine or liquid thus poured out. • libation n. (Often humorous) A beverage, especially an alcoholic one. |
| OBLIGATI | • obligati n. Plural of obligato. • OBLIGATO n. (Italian) a musical accompaniment of independent importance, esp. that of a single instrument to a vocal piece, also OBBLIGATO. |
| OBSIDIAN | • obsidian n. (Mineralogy) A type of naturally occurring black glass produced by volcanoes. • obsidian n. A slightly bluish black, the color of obsidian glass. • obsidian adj. (Poetic) black. |
| ORIBATID | • oribatid n. (Zoology) Any of a group of mites of the suborder Oribatida. • ORIBATID n. any of a family of eyeless mites. |
| RHIZOBIA | • rhizobia n. Plural of rhizobium. • RHIZOBIUM n. a bacterium important in nitrogen fixation in leguminous plants. |
| ROBINIAS | • robinias n. Plural of robinia. • ROBINIA n. a genus of leguminous trees including the common locust of North America. |