Term: tightening: the act of making something tighter
Candidate hypernym: change: the action of changing something → 1
Candidate hypernym: reversionary annuity: an annuity payable to one person in the event that someone else is unable to receive it → 0
Candidate hypernym: thallophyte: any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf → 0
Candidate hypernym: tragedian: a writer (especially a playwright) who writes tragedies → 0
Candidate hypernym: spermatid: an immature gamete produced by a spermatocyte; develops into a spermatozoon → 0
Candidate hypernym: ovary: (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone → 0
Candidate hypernym: fugacity: the lack of enduring qualities (used chiefly of plant parts) → 0
Candidate hypernym: attorney general: the position of the head of the Justice Department and the chief law enforcement officer of the United States → 0
Candidate hypernym: hostess: a woman innkeeper → 0
Candidate hypernym: acute lymphocytic leukemia: acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood; most common in children → 0
Candidate hypernym: mammogram: X-ray film of the soft tissue of the breast → 0