Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

ellipsoid

/ɪˈlɪp.sɔɪd/ noun, adjective

Forms ellipsoids

noun (mathematics, geometry) A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x²/a² + y²/b² + z²/c² = 1.
noun (geography) Such a surface used as a model of the shape of the earth. “Here the geoid is thirty meters below the ellipsoid.”
adjective Shaped like an ellipse; elliptical.
adjective (mathematics) Of or pertaining to an ellipse; elliptic.
adjective (botany) Having the tridimensional shape of an ellipse rotated on its long axis.

Synonyms

Ellipse + -oid: cf. F. ellipsoide.

noun A solid, all plane sections of which are ellipses or circles.
adjective Pertaining to, or shaped like, an ellipsoid; as, ellipsoid or ellipsoidal form.

Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “ellipsoid”, CC BY-SA 4.0. Details