| BELLYBUTTON | • bellybutton n. (Informal) The navel or umbilicus. • belly-button n. Alternative spelling of belly button. • belly␣button n. (Informal) The navel. |
| BUTTERFLYER | • butterflyer n. Alternative form of butterflier. • BUTTERFLYER n. a swimmer who does the butterfly stroke. |
| BUTYLATIONS | • butylations n. Plural of butylation. • BUTYLATION n. combination with the butyl group. |
| DUTIABILITY | • DUTIABILITY n. the state of being dutiable. |
| POSTPUBERTY | • postpuberty adj. After puberty. • POSTPUBERTY n. the period after puberty. |
| QUOTABILITY | • quotability n. The degree to which a person, literature, or a speech is useful or relevant for being quoted. • QUOTABILITY n. the ability to be quoted. |
| RETRIBUTORY | • retributory adj. Of or relating to retribution; of the nature of retribution; involving retribution or repayment. • RETRIBUTORY adj. relating to retribution. |
| RUBYTHROATS | • rubythroats n. Plural of rubythroat. • RUBYTHROAT n. any of numerous species of humming birds, in which the male has on the throat a brilliant patch of red feathers having metallic reflections. |
| SUITABILITY | • suitability n. The quality of being suitable. • SUITABILITY n. the state of being suitable. |
| TRIBUTARILY | • tributarily adv. In a tributary manner. • TRIBUTARY adv. paying tribute. |
| TRIBUTYLTIN | • tributyltin n. (Organic chemistry) The organic derivative of stannane tributylstannane. • tributyltin n. (Organic chemistry) Any of many derivatives of this compound that are used as biocides. |
| TURBULENTLY | • turbulently adv. In a turbulent manner. • TURBULENT adv. tumultuous, violently disturbed. |
| UNTREATABLY | • untreatably adv. In an untreatable way. |
| UNUTTERABLY | • unutterably adv. In an unutterable manner; inexpressibly. • UNUTTERABLE adv. that cannot be uttered, also INUTTERABLE. |
| WOOLLYBUTTS | • woollybutts n. Plural of woollybutt. • WOOLLYBUTT n. a kind of eucalyptus with fibrous bark. |