Term: primary amenorrhea: delay of menarche beyond age 18
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: dress shirt: a man's white shirt (with a starch front) for evening wear (usually with a tuxedo)
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: secretary of energy: the person who holds the secretaryship of the Department of Energy
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: virus: (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: loess: a fine-grained unstratified accumulation of clay and silt deposited by the wind
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: laser: an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: timer: a regulator that activates or deactivates a mechanism at set times
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: shrike: any of numerous Old World birds having a strong hooked bill that feed on smaller animals
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: peridotite: a dark coarse-grained igneous rock consisting principally of olivine
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: red-bellied snake: harmless woodland snake of southeastern United States
Broader: amenorrhea: absence or suppression of normal menstrual flow | Unrelated: mountain avens: creeping evergreen shrub with large white flowers; widely distributed in northern portions of Eurasia and North America