(psychology) Initialism of introverted, sensing, thinking and judging: a personality type in the Myers–Briggs Type Indicator / A person with this personality type

(psychology) Initialism of introverted, sensing, thinking and perceiving: a personality type in the Myers–Briggs Type Indicator / A person with this personality type

plural of Istanbulite

plural of istiodactylid

(zoology) Any pterosaur in the family Istiodactylidae.

plural of istiophorid

(ichthyology) Any fish in the family Istiophoridae, the marlins.

(surgery) The surgical removal of the band of tissue (or isthmus) connecting the two lobes of the thyroid gland.

plural of isthmectomy

Pronunciation spelling of history.