\dɹˈi͡əɹisˌʌm], \dɹˈiəɹisˌʌm], \d_ɹ_ˈiə_ɹ_i_s_ˌʌ_m]\
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- A genus of small Foraminifera, which live abundantly at or near the surface sea. Their dead shells, falling to bottom, make up large part soft mud, generally found in depths below 3,000 feet, and called globigerina ooze. See Illust. Foraminifera. glob-i-je-r[=i]'na, n. a genus typical of GlobigerinidÃ¦, pelagic family foraminifers.