Aspherical
(of a reflecting surface or lens) deviating slightly from a perfectly shape and relatively free from aberrations.
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- Aspherical surface
noun (photog) a lens or mirror surface that does not form part of a sphere and is used to reduce aberrations
- Asphodel
any of various southern european plants of the genera asphodelus and asphodeline, of the lily family, having white, pink, or yellow flowers in elongated cl-sters. any of various other plants, as the daffodil. historical examples his favourite plants were the vine, ivy, laurel, and asphodel. myths and legends of ancient greece and rome e.m. berens […]
- Asphyxia neonatorum
asphyxia neonatorum asphyxia neonatorum asphyxia ne·o·na·to·rum (nē’ō-nā-tôr’əm) n. asphyxia occurring in a newborn.
- Asphyxial
the extreme condition caused by lack of oxygen and excess of carbon dioxide in the blood, produced by interference with respiration or insufficient oxygen in the air; suffocation. historical examples he was in the asphyxial stage, all animation suspended, no beat of pulse, apparently dead. the wolf cub patrick casey the second stage is termed […]
- Asphyxiant
or tending to . an agent or substance. an condition. adjective causing asphyxia noun anything that causes asphyxia: carbon monoxide is an asphyxiant asphyxiant as·phyx·i·ant (ās-fĭk’sē-ənt) adj. inducing or tending to induce asphyxia. n. a substance, such as a toxic gas, or an event, such as drowning, that induces asphyxia.