tester
英 ['testə]
美 ['tɛstɚ]
- n. canopy; tester; テスター
- n.（テスター）人名；（英）Tester.
英語の語源
- tester (n.1)
- "one who tests, puts to trial, or assays," 1660s, agent noun from test (v.). Earlier "a crucible" for trying metals by heating them (mid-15c.).
- tester (n.2)
- "canopy over a four-post bed," mid-14c., from Medieval Latin testerium, from testera "head-stall" of the bridle of a horse, extended use and form of Late Latin testa "skull," in Vulgar Latin "head" (see tete). From Medieval Latin testa as "head" also come tester in obsolete senses of "piece of armor for the head" (late 14c., via Old French testiere) and "coin of Henry VIII" (1546), the first English coin to bear a true portrait.
例文
- 1. I have a battery tester in my garage.
- 私のガレージにはバッテリーテスターがあります。
- 2.It 's a bulb pressure tester for detecting battery leaks.
- これは、バッテリーの空気漏れを検出するためのゴム球圧力試験器である。
- 3.A dead-weight tester is shown in Fig.8.
- 静重試験器を図8に示す。
- 4.Place the tester adapter over the opening.
- テスター接続装置を給油口に置く。
- 5.This tester is provided with a "Guard "terminal to prevent errors due to surface leakage.
- この計器には保護リング配線柱が取り付けられており、表面漏電による誤差を是正するために使用されています。