unity, s.1Mth: Aon m, aonad m. To reduce a coefficient to unity, aon a dhéanamh de chomhéifeachtóir. 2Aontacht f, cur m le chéile. National unity, aontacht náisiúnta. Unity is strength, ní neart go cur le chéile. 3Lit: The dramatic unities, aontachtaí an dráma. Unity of place, aontacht ionaid.