-tron suffix. [trɒn]
[The ending of ELECTRON noun², (but cf. Greek -tron instr. suffix).]
Physics. Forming names of (a) kinds of thermionic valve and other electron tubes, as ignitron, pliotron, etc.; (b) subatomic particles, as mesotron, positron, etc.; (c) devices and machines, esp. particle accelerators, as betatron, cyclotron, etc.

[TahlilGaran] English Dictionary ▲

tron noun & verb. [trɒn] ME.
[Old French trone from Latin trutina from Greek trutanē balance.]
A. noun.
1. Hist. A public weighing-machine for weighing produce in the market-place of a city or burgh; the post of this used as a pillory. Scot. & north. ME.
b. transf. The place in a city etc. where the tron was set up; a market-place. Now Hist. exc. in place-names. Scot. E16.

2. In pl. A pair of scales. north. E19.

Comb.:
tron-pound Hist. the pound of tron weight (see below), varying locally between 21 and 28 ounces; tron weight Hist. the standard of weight for produce weighed at the tron.
b. verb trans. Weigh at the tron. Scot. & north. E17.

■ troner noun (Scot. & north., obsolete exc. Hist.) an official overseeing the weighing of produce at the tron LME.

[TahlilGaran] English Dictionary ▲