| BABYSITTER | • babysitter n. A person who cares for one or more babies or children for a short period of time in place of their legal guardians. • baby-sitter n. Alternative spelling of babysitter. • baby␣sitter n. (Rare) Alternative spelling of babysitter. |
| BAPTISTERY | • baptistery n. Alternative spelling of baptistry. • BAPTISTERY n. a part of a church reserved for performing baptisms, also BAPTISTRY. |
| BATHOMETRY | • BATHOMETRY n. measurement of the depth of water. |
| BATHYLITES | • BATHYLITE n. a mass of igneous rock that has risen from a great depth, also BATHOLITE, BATHOLITH, BATHYLITH. |
| BATHYMETER | • bathymeter n. Alternative form of bathometer. • BATHYMETER n. an instrument for recording the contours of deep oceans. |
| BATHYMETRY | • bathymetry n. The measurement of the depths of the seas and oceans. • BATHYMETRY n. the art or science of sounding, or measuring depths in the sea. |
| BAYONETTED | • bayonetted v. (Britain) simple past tense and past participle of bayonet. • bayonetted adj. Fitted with a bayonet. • BAYONET v. to stab with a daggerlike weapon. |
| BESTIALITY | • bestiality n. (Archaic) A status of lower animal. • bestiality n. (Archaic) An animal-like instinct or behaviour. • bestiality n. (Archaic) A mark, trait, or emblem of a beast. |
| DETECTABLY | • detectably adv. In a way that can be detected. |
| DETESTABLY | • detestably adv. In a detestable manner. • DETESTABLE adv. hateful. |
| METASTABLY | • metastably adv. In a metastable way. • METASTABLE adv. chemically stable. |
| STYLOBATES | • stylobates n. Plural of stylobate. • STYLOBATE n. (Greek) a continuous pedestal supporting a row of columns. |
| TALBOTYPES | • talbotypes n. Plural of talbotype. • TALBOTYPE n. (tradename) a method of taking photographic pictures, on paper sensitized with iodide of silver, aka calotype, kalotype. |
| TENABILITY | • tenability n. The property of being tenable. • TENABILITY n. the state of being tenable. |
| YOTTABYTES | • yottabytes n. Plural of yottabyte. • YOTTABYTE n. a very large unit of computer memory. |
| ZETTABYTES | • zettabytes n. Plural of zettabyte. • ZETTABYTE n. a unit of computer memory, 10 to the 21 bytes. |