Unit 2 word-study

Exercise 1. Check the transcription in the dictionary and read words listed below.

Nouns

stimulus, vision, behavior, frequency, spectrum, roughness, incidence, ratio,

surface.

Verbs

perceive, exhibit, emerge, occur, vibrate.

Adjectives

fascinating, perpendicular, diffuse, mirror-like.

Exercise 2. Make nouns from the following verbs using suffixes -ation, -tion, -ion, and translate them.

Adsorb, demonstrate, diffract, direct, illuminate, oppose, propagate, polarize, reflect, refract.