A finely divided nickel-aluminum alloy that has been treated with NaOH to dissolve out most of the aluminum.

(informal) A woman's nightgown or nightdress for wearing to bed.

Alternative form of nighty (“good night”)

(literally) An owl (order Strigiformes) that is nocturnal. / (idiomatic) One who goes to bed late, or stays up late at night or in the early hours of the morning.

(obsolete) A loose robe worn as a nightgown.

Used other than figuratively or idiomatically: see have, a, nice, day. / (US, Canada, rather formal). en

Lasting throughout the whole night (or most of it)

Something that lasts throughout the whole night. / (UK, crime, slang) A session with a prostitute covering the entire night.

(biochemistry) pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex

A surname originating as a patronymic.