Naphthylamine
Naph′thyl‐am″ine (?), n.(Chem.) One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids.
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.
2.117 entries
Naph′thyl‐am″ine (?), n.(Chem.) One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids.
{ Na″pi‐er's bones′ (?), Na″pi‐er's rods′ (?) }. A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the mult...
{ Na‐pie″ri‐an, Na‐pe″ri‐an, } (?), a. Of, pertaining to, or discovered by, Napier, or Naper.Naperian logarithms. See under Logarithms.
Na″pi‐form (?), a. [L. napus turnip + -form: cf. F. napiforme. Cf. Navew.] (Bot.) Turnip-shaped; large and round in the upper part, and very slender below.
Nap″kin (?), n. [Dim. of OF. nape a tablecloth, cloth, F. nappe, L. mappa. See Napery.] 1. A little towel, or small cloth, esp. one for wiping the fingers and mouth at table.2. ...
Na″ples yel″low (?). See under Yellow.
Nap″less, a. Without nap; threadbare. Shak.
Na‐po″le‐on (?), n. [From the Emperor Napoleon 1.] A French gold coin of twenty francs, or about $3.86.
Na‐po″le‐on (?), n. 1. (Card Playing) (a) A game in which each player holds five cards, the eldest hand stating the number of tricks he will bid to take, any subsequent player h...
Na‐po′le‐on″ic (?), a. Of or pertaining to Napoleon I., or his family; resembling, or having the qualities of, Napoleon I. Lowell.
Na‐po″le‐on‐ist (?), n. A supporter of the dynasty of the Napoleons.
Nappe (?), n. [F. nappe cloth, sheet. See Napery.] (Geom.) Sheet; surface; all that portion of a surface that is continuous in such a way that it is possible to pass from any on...
Nap″pi‐ness (?), n. [From 2d Nappy.] The quality of having a nap; abundance of nap, as on cloth.
Nap″ping (?), n. 1. The act or process of raising a nap, as on cloth.2. (Hat Making) A sheet of partially felted fur before it is united to the hat body. Knight.
Nap″py (?), a. [From 1st Nap.] 1. Inclined to sleep; sleepy; as, to feel nappy.2. Tending to cause sleepiness; serving to make sleepy; strong; heady; as, nappy ale. Wyatt.
Nap″py, a. [From 3d Nap.] Having a nap or pile; downy; shaggy. Holland.
Nap″py, n.; pl.Nappies (#). [OE. nap, AS. hnæp cup, bowl. See Hanaper.] A round earthen dish, with a flat bottom and sloping sides. [Written also nappie.]
‖Na‐pu″ (?), n.(Zoöl.) A very small chevrotain (Tragulus Javanicus), native of Java. It is about the size of a hare, and is noted for its agility in leaping. Called also Java mu...
‖Na″pus (?), n.(Bot.) A kind of turnip. See Navew.
Nar″ce‐ine (?), n. [L. narce numbness, torpor, Gr. �����: cf. F. narcéïne.] (Chem.) An alkaloid found in small quantities in opium, and extracted as a white crystalline substanc...
Nar‐cis″sine (?), a. Of or pertaining to Narcissus.
Nar‐cis″sus (när‐sĭs″sŭs), n.; pl.Narcissuses (#). [L. narcissus, and (personified) Narcissus, Gr. νάρκισσοσ, Νάρκισσοσ, fr. νάρκη torpor, in allusion to the narcotic properties...
‖Nar‐co″sis (–kō″sĭs), n. [NL., fr. Gr. νάρκωσισ. See Narcotic.] (Med.) Privation of sense or consciousness, due to a narcotic.
Nar‐cot″ic (–kŏt″ĭk), a. [F. narcotique, Gr. ναρκωτικόσ, fr. ναρκου̑ν to benumb, νάρκη numbness, torpor.] (Med.) Having the properties of a narcotic; operating as a narcotic.— N...
Nar‐cot″ic (när‐kŏt″ĭk), n.(Med.) A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, pro...
Nar‐cot″ic‐al (när‐kŏt″ĭ‐kal), a. Narcotic.— Nar‐cot″ic‐al‐ly, adv.
Nar″co‐tine (när″kō̍‐tĭn or –tēn), n. [Cf. F. narcotine. Cf. Cotarnine.] (Chem.) An alkaloid found in opium, and extracted as a white crystalline substance, tasteless and less p...