smokeless, a.
(ˈsməʊklɪs)
[f. smoke n. + -less.]
1. Emitting or producing no smoke.
| 1582 T. Watson Poems (Arb.) 134 A Shipwracke of mans life; a Smoaklesse fire. 1732 Pope Ep. Bathurst 191 Tenants with sighs the smoakless tow'rs survey. 1795–1814 Wordsw. Excurs. vii. 54 The smokeless chimney-top. 1856 Kane Arctic Expl. I. xxx. 405 The lamps were cheerful and smokeless. 1868 Daily News 2 Sept., It was found that the coals of the Aberdare collieries were comparatively smokeless. 1890 Nature 4 Sept., One of the important attributes of a smokeless powder. 1904 Sci. Amer. 4 June 446/3 Smokeless fuel,..Mr. Weeple employs a simple method of treating such carbonaceous substances as bituminous coal, coal-dust, oil residue, and the like as will produce a fuel that will burn free from ‘black smoke’ during combustion. 1935 Economist 29 June 1479/1 The main product of low-temperature carbonisation is a smokeless solid fuel. 1977 M. Russell Mr T xviii. 145 A fireplace..in which smokeless fuel glowed. |
2. Free from, clear of, smoke. smokeless zone, a district in which the creation of smoke is forbidden by law.
| 1631 R. Brathwait Whimzies 53 To leave his smoakelesse house in the country..to riot in the citie. 1802 Wordsw. Westminster Bridge 8 All bright and glittering in the smokeless air. 1837 Carlyle Fr. Rev. iii. i. ii, The Sun shines; serenely westering, in smokeless mackerel-sky. 1953 Interim Rep. Comm. Air Pollution 27 in Parl. Papers (Cmd. 9011) VIII. 655 The ‘smokeless zone’ provision of some local Acts..apply to domestic as well as industrial smoke. 1969 A. E. Lindop Sight Unseen iv. 34 In spite of the fact that we were a smokeless zone I had a comfortable coal fire. 1976 Daily Record (Glasgow) 4 Dec. 12/3 It came at a public meeting after Stirling District Council had tried to get a smokeless zone order on the village quashed. |
Hence ˈsmokelessly adv.; ˈsmokelessness.
| 1877 Echo 18 July 1/1 Its Smokelessness, Cleanliness, and Great Economy over all other descriptions [of coal]. a 1891 Engineer LXIX. 357 (Cent.), The appliances for..consuming coal smokelessly are already at work. |