Klryz
Pronunciation guide: IPA symbols, stress and word endings

Vowels

iːseeɪsite / ɛbedæcat
ɑːfatherɒhot (UK)ɔːlawʊput
uːtooʌcupɜːbirdəabout
eɪdayaɪmyɔɪboyaʊnow
əʊ / oʊgo (UK / US)ɪəneareəhairʊətour

Consonants that look unusual

θthinðthisʃsheʒmeasure
tʃchurchdʒjudgeŋsingjyes

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

Marks

  • 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)

Common word endings

  • -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.

English Dictionary · 107,383 entries · Sources & licences

irreversible

UK /ˌɪr.ɪˈvɜː.sə.bəl/ · US /ˌɪr.ɪˈvɝ.sə.bəl/ adjective

  1. adjective Incapable of being reversed or turned about or back; incapable of being made to run backwards. “an irreversible engine”
  2. adjective Incapable of being reversed, recalled, repealed, or annulled. “an irreversible sentence or decree”
  3. adjective (thermodynamics) Incapable of being reversed to the original state without consumption of free energy and increase of entropy.

Antonyms

reversible

Etymology

From ir- + reversible.

Webster’s 1913

  1. adjective Incapable of being reversed or turned about or back; incapable of being made to run backward; as, an irreversible engine.
  2. adjective Incapable of being reversed, recalled, repealed, or annulled; as, an irreversible sentence or decree.

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