megacyclen.

Brit.

/ˈmɛɡəˌsʌɪkl/, U.S.

/ˈmɛɡəˌsaɪk(ə)l/

Origin: Formed within English, by compounding. Etymons: mega- comb. form, cycle n.¹

Etymology: < mega- comb. form + cycle n.¹

One million cycles (of an oscillation or other periodic phenomenon). Also: a megahertz, one million cycles per second.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > unit of frequency

kilocycle1921

megacycle1926

Hertz1928

Mc1936

Mc/s1936

c/s1940

c.p.s.1940

cycles per second1940

1926 Science 31 Dec. 639/1 The committee [of the International Union of Scientific Radio Telegraphy] on wave phenomena above three megacycles..studies such phenomena as the daily and seasonal variations of received field intensities.., character of fading and atmospherics, [etc.].

1928 G. E. Sterling & R. S. Kruse Radio Man. 45 The frequency of 1,000,000 cycles can then be expressed as 1,000 kilocycles or 1 megacycle.

1939 Fortune Oct. 119/2 An amateur radio operator..had an amateur station with a permit to operate at 110 megacycles, then considered a wasteland.

1955 Radio Times 22 Apr. 3/1 The BBC decided..to build..short-range V.H.F. stations operating on frequencies around 90 megacycles per second.

1996 Electronic Design 5 Feb. 8/2 The model..is a true pulse generator capable of operation in the megacycle range.

This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	megacycle
释义	megacyclen. Brit. /ˈmɛɡəˌsʌɪkl/, U.S. /ˈmɛɡəˌsaɪk(ə)l/ Origin: Formed within English, by compounding. Etymons: mega- comb. form, cycle n.¹ Etymology: < mega- comb. form + cycle n.¹ One million cycles (of an oscillation or other periodic phenomenon). Also: a megahertz, one million cycles per second. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > unit of frequency kilocycle1921 megacycle1926 Hertz1928 Mc1936 Mc/s1936 c/s1940 c.p.s.1940 cycles per second1940 1926 Science 31 Dec. 639/1 The committee [of the International Union of Scientific Radio Telegraphy] on wave phenomena above three megacycles..studies such phenomena as the daily and seasonal variations of received field intensities.., character of fading and atmospherics, [etc.]. 1928 G. E. Sterling & R. S. Kruse Radio Man. 45 The frequency of 1,000,000 cycles can then be expressed as 1,000 kilocycles or 1 megacycle. 1939 Fortune Oct. 119/2 An amateur radio operator..had an amateur station with a permit to operate at 110 megacycles, then considered a wasteland. 1955 Radio Times 22 Apr. 3/1 The BBC decided..to build..short-range V.H.F. stations operating on frequencies around 90 megacycles per second. 1996 Electronic Design 5 Feb. 8/2 The model..is a true pulse generator capable of operation in the megacycle range. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1926
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