underoxygenated

under- +‎ oxygenated

underoxygenated (comparative more underoxygenated, superlative most underoxygenated)

1. Having insufficient oxygen.

   Antonym: overoxygenated

   Hyponyms: hypoxemic, hypoxic; anoxemic, anoxic

   • 1983, William E. Neville, Intensive Care of the Surgical Cardiopulmonary Patient, page 182:

     This concept assumes that all underoxygenated blood in the arteries comes from a true shunt, a passage through the lungs with no oxygenation.

   • 1992, J.S. Schilling, S. Klotz, “The Influence of High Pressure on the Superconducting and Normal Properties of High Temperature Superconductors”, in Donald M Ginsberg, editor, Physical Properties Of High Temperature Superconductors III, page 123:

     We speculate that applying pressure to an underoxygenated sample of YBa₂Cu₃O_7-y with oxygen defects may reduce the time that the sample needs to be annealed at room temperature to cause a given T_c increase.

   • 2007, Robert K. Cooper, Leslie L. Cooper, Flip the Switch, Lose the Weight, page 72:

     Researchers are reporting what I've long suspected—that most people are underoxygenated all day long.

   • 2008, Marty Nachel, Homebrewing For Dummies, page 322:

     Very obvious diacetyl flavor may indicate other problems, such as extremely warm fermentation temperatures, unhealthy yeast, underoxygenated wort, or bacterial contamination.

   • 2021, James E. Faust, John Dole, Cut Flowers and Foliages, page 281:

     Excessive irrigation may lead to root hypoxia (underoxygenated) or anoxic (no oxygen) conditions (Vartapetian et al., 2014) resulting in physiological stress responses in the plant.

2. (figurative) Lacking vitality; lackluster.

   Near-synonyms: anemic, enervated

   • 1916, Gertrude Atherton, “The Sacrificial Altar”, in Harper's Monthly Magazine, volume 133, page 333:

     Louis by this time was eighteen, of medium height, as thin as all overworked, underfed, underoxygenated Lycée boys, with large gray eyes that were rarely raised, a long pale face, a long thin nose, a small thin-lipped mouth.

   • 1999, Entertainment Weekly: Year Book, page 33:

     The moments when a maturing Swain retreated from Jeremy Irons' embrace into a girly giggle were as chilling as any horror-movie scene, but also a funny blast of fresh air in Lyne's underoxygenated morality play.

   • 2013, The Ultimate Daily Show and Philosophy:

     He finds, not “demigods” but “ a combative group of exhausted, drunken, broken, petty, partisan, scheming, squabbling, bloviating, sensory-deprived, underoxygenated, fed-up, talked-out, overheated delegates so distraught they threatened violence, secession.

   • 2015, Nina George, The Little Paris Bookshop:

     'Right now, you look very ... underoxygenated,' Perdu heard Max Jordan's voice say.

   • 2015, Cathy Lubenski, Trashy Chic:

     Possibly her sheer pretentiousness, or that she knew everything about everything, or maybe because she treated her reporters like underoxygenated platypies.

underoxygenated

1. simple past and past participle of underoxygenate