ultra-highadj.

Brit.

/ˌʌltrəˈhʌɪ/, U.S.

/ˌəltrəˈhaɪ/

Etymology: < ultra- prefix 3 + high adj.

1. Radio. Of a radio-frequency: in the range 300 to 3,000 megahertz. Abbrev. UHF s.v. UHF n. at U n.¹ Initialisms 1a.

ΘΚΠ

society > communication > telecommunication > radio communications > [adjective] > type of wave > specific frequency

ultra-high1932

1932 Proc. IRE 20 95 Among the significant and comparatively recent developments in electrical engineering is the efficient and dependable production of ultra-high-frequency oscillating circuits.

1935 Discovery Sept. 278/2 Special valves are being developed suitable for direct signal amplification at the ultra-high frequencies.

1940 Jrnl. Royal Aeronaut. Soc. 44 216 Another application of ultra-high frequencies is to provide a system of instrument landing.

1951 Electronic Engin. 23 452 The use of ultra high frequencies for communication purposes is a relatively new and rapidly developing branch of radio.

1978 Dædalus Spring 212 There is already a good deal of listening in the ultrahigh frequency radio bands.

2. gen. Exceedingly high; frequently in attributive phrase in combination with following noun.

ΘΚΠ

the world > relative properties > quantity > greatness of quantity, amount, or degree > high or intense degree > [adjective] > of the very highest degree

overly1340

lasta1387

for-greatc1440

consummatea1530

super-superlative1607

yondmost1608

meridian1648

sovereign1749

outside1843

ultra-high1936

1936 Discovery Mar. 88/1 The G.W.R. and the L.N.E.R. have been even more enterprising in introducing some ultra-high-speed expresses.

1962 F. I. Ordway et al. Basic Astronautics vii. 327 Ultrahigh-risk equipment.

1966 D. G. Brandon Mod. Techniques Metallogr. iv. 184 Methods for obtaining ultra-high vacua (UHV) are now highly developed.

1972 D. Halberstam Best & Brightest 558 At West Point he again had ultrahigh visibility and he impressed everyone.

1977 P. Johnson Enemies of Society i. 4 The extended family also dissociated procreation from the responsibility to maintain offspring, and so produced ultra-high birthrates.

1981 Economist 24 Jan. 49/3 How long can Britain go on protecting its farmers from competition from imported UHT (Ultra-High Temperature, or long-life) milk?

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).

单词	ultra-high
释义	ultra-highadj. Brit. /ˌʌltrəˈhʌɪ/, U.S. /ˌəltrəˈhaɪ/ Etymology: < ultra- prefix 3 + high adj. 1. Radio. Of a radio-frequency: in the range 300 to 3,000 megahertz. Abbrev. UHF s.v. UHF n. at U n.¹ Initialisms 1a. ΘΚΠ society > communication > telecommunication > radio communications > [adjective] > type of wave > specific frequency ultra-high1932 1932 Proc. IRE 20 95 Among the significant and comparatively recent developments in electrical engineering is the efficient and dependable production of ultra-high-frequency oscillating circuits. 1935 Discovery Sept. 278/2 Special valves are being developed suitable for direct signal amplification at the ultra-high frequencies. 1940 Jrnl. Royal Aeronaut. Soc. 44 216 Another application of ultra-high frequencies is to provide a system of instrument landing. 1951 Electronic Engin. 23 452 The use of ultra high frequencies for communication purposes is a relatively new and rapidly developing branch of radio. 1978 Dædalus Spring 212 There is already a good deal of listening in the ultrahigh frequency radio bands. 2. gen. Exceedingly high; frequently in attributive phrase in combination with following noun. ΘΚΠ the world > relative properties > quantity > greatness of quantity, amount, or degree > high or intense degree > [adjective] > of the very highest degree overly1340 lasta1387 for-greatc1440 consummatea1530 super-superlative1607 yondmost1608 meridian1648 sovereign1749 outside1843 ultra-high1936 1936 Discovery Mar. 88/1 The G.W.R. and the L.N.E.R. have been even more enterprising in introducing some ultra-high-speed expresses. 1962 F. I. Ordway et al. Basic Astronautics vii. 327 Ultrahigh-risk equipment. 1966 D. G. Brandon Mod. Techniques Metallogr. iv. 184 Methods for obtaining ultra-high vacua (UHV) are now highly developed. 1972 D. Halberstam Best & Brightest 558 At West Point he again had ultrahigh visibility and he impressed everyone. 1977 P. Johnson Enemies of Society i. 4 The extended family also dissociated procreation from the responsibility to maintain offspring, and so produced ultra-high birthrates. 1981 Economist 24 Jan. 49/3 How long can Britain go on protecting its farmers from competition from imported UHT (Ultra-High Temperature, or long-life) milk? This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022). < adj.1932
随便看	thin flank thin fount thin gruel thin ice thin off, down thin on the ground thin on top thin out thin out away thin out off thin red line thin seam thin section thin space thin-bedded thin-bellied thin-belly thin-bladed thin-blooded thin-brained thin-bred thin-cheeked thin-clad thin-cut thin-dawned