| BUTTONHOLDING | • BUTTONHOLD v. to detain in talk, also BUTTONHOLE. | 
| BUTTONHOLING | • buttonholing v. Present participle of buttonhole. • buttonholing n. The act of detaining someone in conversation against his or her will.
 • BUTTONHOLE v. to detain in talk, also BUTTONHOLD.
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| BUTTONHOOKING | • buttonhooking v. Present participle of buttonhook. • BUTTONHOOK v. to make a kind of offensive play in American football.
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| CONTRIBUTION | • contribution n. Something given or offered that adds to a larger whole. • contribution n. An amount of money given toward something.
 • contribution n. The act of contributing.
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| CONTRIBUTIONS | • contributions n. Plural of contribution. • CONTRIBUTION n. the act of contributing.
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| DINOTURBATION | • dinoturbation n. Bioturbation caused by the movements of dinosaurs. • DINOTURBATION n. the effects of dinosaur trampling on the formation of sedimentary rock.
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| DINOTURBATIONS | • DINOTURBATION n. the effects of dinosaur trampling on the formation of sedimentary rock. | 
| IMMUNOBLOTTING | • immunoblotting n. The use of immunoblots to analyse proteins. • IMMUNOBLOTTING n. the act of making immunoblots.
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| IMMUNOBLOTTINGS | • immunoblottings n. Plural of immunoblotting. • IMMUNOBLOTTING n. the act of making immunoblots.
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| NOCTAMBULATION | • noctambulation n. Sleepwalking. • NOCTAMBULATION n. sleepwalking.
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| NOCTAMBULATIONS | • noctambulations n. Plural of noctambulation. • NOCTAMBULATION n. sleepwalking.
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| NONCONTRIBUTING | • noncontributing adj. Not contributing; that does not contribute or does not involve contribution. • NONCONTRIBUTING adj. not contributing.
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| NONCONTRIBUTORY | • noncontributory adj. Describing a pension plan in which the members do not provide their own direct contributions (that is… • noncontributory adj. Not being a contributing factor (to a decision, analysis, or situation), such as not contributing to…
 • NONCONTRIBUTORY adj. not contributory.
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| ROUNDABOUTATION | • ROUNDABOUTATION n. going round and round. |