osmophoren.
/ˈɒzməfɔː/, U.S. /ˈɑzmoʊˌfɔr/ 1. Chemistry and Physiology. A chemical group whose presence in the molecules of a substance causes the substance to have a smell. Also called odoriphore.
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the world > matter > chemistry > chemical properties > [noun] > substances named on basis of chemical property > osmophore
odoriphore1900
osmophore1919
1919 Perfumery & Essent. Oil Rec. 21 May 105/1 Both Rupe and Majewski and Cohn point out that one osmophore can often replace another without distinctly changing the odour.
1944 R. W. Moncrieff Chem. Senses ix. 185 The ether group is only a weak osmophore and is easily overpowered by other features of the molecule.
1963 W. Summer Methods Air Deodorization i. 66 One and the same osmophore appearing with different molecules usually causes different odours.
1999 Tetrahedron 55 7214 The introduction of functionality at positions far distant from the osmophore group tends to decrease..the way of odour sensation in the olfactory process.
2. Botany. A scent gland found in the flowers of certain plants, esp. orchids.
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the world > plants > part of plant > plant substances > [noun] > secreting cell > scent gland
osmophore1966
1966 S. Vogel in Proc. 5th World Orchid Conf. 254/1 We could find such glands, called osmophores, in many different orchidaceous groups... A genuine scent organ or osmophore..may be defined as a glandular, multicellular and clearly differentiated tissue within the floral region, which is well exposed to the atmosphere.
1974 C. L. Withner et al. in C. L. Withner Orchids vi. 305 The scent tissue is ultimately organized into scent glands, or osmophores.
1996 Amer. Jrnl. Bot. 83 741/1 Osmophores observed in Burmanniaceae flowers..may secrete some volatile odor to attract some dipterans.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
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