reserve graden.
/rᵻˈzəːv ɡreɪd/, U.S. /rəˈzərv ˌɡreɪd/, /riˈzərv ˌɡreɪd/ 1. Mining. The (estimated) grade or yield of an ore reserve. Cf. reserve n. 2d.
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the world > the earth > minerals > mineral sources > [noun] > reserves
reserve1838
reserve grade1912
1912 S. Afr. Mining Jrnl. No. 484. 579 (heading) Ore reserve grades and recoveries.
1925 Times 20 Nov. 22/3 A..gratifying reduction [in costs] which went far to counterbalance the drop in the ore reserve grade.
1980 Globe & Mail (Toronto) (Nexis) 1 May The average reserve grade fell to about 0.25 ounces.
2000 R. H. T. Garnett in D. S. Cronan Handbk. Marine Min. Deposits iv. 81 An increase in cutoff grade resulted in a theoretically higher reserve grade.
2.
a. The grade or category to which military reserves belong; (also) the rank held by a person in the reserves.
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1918 Washington Post 29 Sept. ii. 4/7 Officers are active, of the reserve grade or retired.
1941 N.Y. Times 23 Aug. 27/3 Second and first lieutenants among both the regular and reserve grades will be eligible for temporary promotion by one rank.
2008 P. Blom Vertigo Years vii. 169 Businessmen and even academics often chose to wear the uniforms of their reserve grade.
b. Sport (Australian and New Zealand). The level of competition at which reserve teams participate; (also) a reserve team. Cf. reserve adj. 3.
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society > leisure > sport > player or sportsperson > [noun] > team or group > member of > types of
passenger1852
scrub1892
prepper1922
pick1948
reserve grade1950
1950 Austral. 1950: Herald Year Bk. 769/2 Other premierships also changed hands. Eastern Suburbs winning the reserve grade from Manly, and Western Suburbs the third grade from Eastern Suburbs.
1980 D. J. Murphy Hayden i. 6 He was a hooker for Souths reserve grade but the club's A grade hooker was Nev Cottrell who also played for Queensland and Australia.
1998 Evening Post (Wellington, N.Z.) (Nexis) 6 Apr. 22 They..progress through under-17 and under-19 grades to reserve grade and then the NRL [sc. National Rugby League].
2005 J. Harms Pearl vi. 100 He led the Reserve Grade into the Grand Final with tries in each of the semifinals.
This is a new entry (OED Third Edition, March 2010; most recently modified version published online March 2022).
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n.1912