| BUTTONHOLDING | • BUTTONHOLD v. to detain in talk, also BUTTONHOLE. |
| BUTTONHOOKING | • buttonhooking v. Present participle of buttonhook. • BUTTONHOOK v. to make a kind of offensive play in American football. |
| CINCHONACEOUS | • cinchonaceous adj. Allied or pertaining to cinchona, or to the plants that produce it. • CINCHONACEOUS adj. belonging to the Cinchona genus of trees, that yield quinine. |
| COUNTINGHOUSE | • countinghouse n. (Dated) An office used by a business to house its accounts department. • counting-house n. Alternative form of countinghouse. • counting␣house n. Alternative form of countinghouse. |
| HYDROQUINONES | • hydroquinones n. Plural of hydroquinone. • HYDROQUINONE n. another name for quinol. |
| INHOMOGENEOUS | • inhomogeneous adj. Not homogeneous. • INHOMOGENEOUS adj. relating to inhomogeneity. |
| OVERHONOURING | • OVERHONOUR v. to honour excessively, also OVERHONOR. |
| PHYLLOQUINONE | • phylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione. • PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation. |
| ROCKHOUNDINGS | • ROCKHOUNDING n. of a rock-collector, looking for rocks. |
| SNOWPLOUGHING | • snowploughing v. Present participle of snowplough. • snow␣ploughing v. Present participle of snow plough. • SNOWPLOUGH v. to clear with a snowplough, also SNOWPLOW. |
| SULPHONATIONS | • sulphonations n. Plural of sulphonation. • SULPHONATION n. the act of sulphonating. |
| UNDERSHOOTING | • undershooting v. Present participle of undershoot. • UNDERSHOOT v. to fail to reach by falling short. |
| UNDISHONOURED | • undishonoured adj. Not dishonoured. • UNDISHONOURED adj. not dishonoured. |
| UNFORTHCOMING | • unforthcoming adj. Not forthcoming; laconic or uncooperative. • UNFORTHCOMING adj. not forthcoming. |
| UNHOMOGENISED | • unhomogenised adj. Alternative form of unhomogenized. • UNHOMOGENISED adj. not homogenised, also UNHOMOGENIZED. |
| UNHOMOGENIZED | • unhomogenized adj. Not homogenized. • UNHOMOGENIZED adj. not homogenized, also UNHOMOGENISED. |