center (redirected from expiratory center)

center (Central position), noun axis, center of gravity, central point, convergence, converging point, core, equidistance, eye, focal point, focus, focus of attention, fulcrum, half distance, halfway, media pars, medius, middle, middle distance, middle point, middle position, middost point, midpoint, midst, point of convergence
Associated concepts: center lane, center line, center of gravvty, grouping of contacts doctrine

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center (Essence), noun base, basis, bedrock, cardinal point, central nature, chief part, constitutive principle, core, essential part, gist, gravamen, heart, hypostasis, important part, inmost nature, inmost substance, inner reality, main part, main point, nature, nucleus, pith, primary element, prime constituent, prime ingredient, principal part, quid, quiddity, quintessence, sine qua non, soul, substance, sum and substance, vital element, vital part

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See also: average, base, central, concentrate, consolidate, focus, gravamen, headquarters, interior, place, seat, site, target