mohon.1
/ˈməʊhəʊ/, /ˈmɒhəʊ/, U.S. /ˈmoʊˌ(h)oʊ/, /ˈmɑˌ(h)oʊ/ Originally: = oo n.2 Later also (in form Moho): the genus of Hawaiian honeyeaters (family Meliphagidae) to which the o-os belong.
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the world > animals > birds > order Passeriformes (singing) > arboreal families > [noun] > family Meliphagidae (honey-eater) > genus Moho
moho1782
oo1876
1782 W. Ellis Voy. Capts. Cook & Clerke 1776–80 II. 156 A black and yellow bird called mohò.
1880 Encycl. Brit. XI. 530/1 In former times the chiefs exacted as a tax from the people the gay feathers of certain species (Drepanus and Moho).
1904 Blackwood's Edinb. Mag. Feb. 245 This moho feeds much also on the nectar of flowers.
1958 E. T. Gilliard Living Birds of World 348/2 This extinct bird, the Moho (Moho nobilis) was relentlessly trapped for its feathers, which Hawaiian princes used as adornment.
1985 C. M. Perrins Encycl. Birds 398/2 There were once at least five honeyeaters in Hawaii but the kioea and one moho became extinct about 1840 and two other mohos were last seen earlier this century.
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).
mohon.2
/ˈməʊhəʊ/, /ˈmɒhəʊ/, U.S. /ˈmoʊˌ(h)oʊ/, /ˈmɑˌ(h)oʊ/, New Zealand English /ˈmoho/, /ˈmʌuhʌu/, /ˈmɒhʌu/ New Zealand.
The takahe, Porphyrio mantelli, a flightless rail.
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the world > animals > birds > order Gruiformes > [noun] > family Rallidae (rail) > notornis mantelli
moho1848
notornis1848
takahe1851
1848 R. Taylor in Proc. Zool. Soc. (1850) 211 Moho Rail, colour black, said to be a wingless bird as large as a fowl..; it is nearly exterminated by the cat.
1850 Proc. Zool. Soc. 211 According to the native traditions, a large Rail was contemporary with the Moa... It was known to the North Islanders by the name of ‘Moho’.
1865 J. Gould Handbk. Birds Austral. II. 576 Notornis Mantelli Owen. Moho.
1898 J. W. Stack S. Island Maoris 87 You will be banished to the haunts of the moho..and in the depths of the forest will be your only place of safety.
1985 Reader's Digest Bk. N.Z. Birds 170 Takahe Notornis mantelli... Moho.
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).
Mohon.3
/ˈməʊhəʊ/, U.S. /ˈmoʊˌ(h)oʊ/ Geology.
The discontinuity between the earth's crust and the mantle which is believed to exist at a depth of about 10–12 km (6–7½ miles) under the ocean beds and 40–50 km (25–30 miles) under the continents. Also called Mohorovičić discontinuity.
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the world > the earth > structure of the earth > [noun] > crust > discontinuity between crust and mantle
Mohorovičić discontinuity1934
Moho1956
1956 Adv. Geophysics 3 118 The boundary..is now called the Mohorovičić discontinuity (vulgarly ‘The Moho’).
1959 Daily Tel. 21 Apr. 13/1 The bore must itself be several miles deep to penetrate to the mysterious ‘moho’ and find out what the bulk of the world is really made of.
1972 Nature 15 Dec. 383/3 The graben gives clear Moho refractions with normal upper mantle velocities.
1979 P. Francis Volcanoes (BNC) This discontinuity was recognized by studying the behaviour of shock waves from earthquakes: above the Moho, shock waves travel relatively slowly.
1991 New Scientist 18 May 43/2 ‘Wide angle’ seismic surveys in which receivers were positioned far from the shot points to pick up strong reflections from Moho depths.
2000 Physics & Chem. Earth 25 381/2 We intend to compare the Moho obtained from gravity inversion with the expected Moho from isostatic models.
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).
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