[f. prec. + -ER1.] One who or that which economizes.
1. One who makes money go a long way; one who effects saving in expenditure.
1840. Dickens, Old C. Shop (1867), 281. Sarah is as good an economiser as any going.
1886. Pall Mall Budget, 7 Jan., 4/2. He was a most rigid economizer who spent a halfpenny in tar, but when the ship foundered his economy was not much appreciated even by himself.
2. One who practises ‘economy of truth.’
1874. Morley, Compromise (1886), 86. The modern economiser keeps back his opinions or dissembles the grounds of them.
3. Mech. An appliance of any kind intended to effect a saving, esp. of heat or fuel. Also attrib.
18[?]. Chambers’ Encycl., s.v. Caloric Engine, [Economy of fuel] is effected by a ‘regenerator,’ or more properly, ‘economizer.’
1884. Health Exhib. Catal. (ed. 2), 65/2. Fire Economiser for ordinary grates.
1885. Manch. Exam., 3 Jan., 85/1. A boiler in the economiser house exploded.
