Unit 1: Across, Through (dia-, per-)

(v) pierce and make a hole or holes in

• permeable

• perceive

• perforate

• percolate

(n) a thin sheet of material forming a partition; a dome-shaped, muscular partition separating the thorax from the abdomen in mammals 

• diaphragm

• dialogue

• diagnose

• diameter

(n) a straight line passing from side to side through the center of a body or figure, especially a circle or sphere

• diaphragm

• dialogue

• diagnose

• diameter

(n) a form of a language that is spoken in a particular area and that uses some of its own words, grammar, and pronunciations

• diameter

• dialect

• diagonal

• diagnose

(adj) describing a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape

• diameter

• dialect

• diagonal

• diagnose

(adj) continuing to do something or to try to do something even though it is difficult or other people want you to stop

• persistent

• pervasive

• percolate

• permeable

(v) (of a liquid or gas) to filter gradually through a porous surface or substance

• permeable

• perceive

• perforate

• percolate

(adj) describing a material or membrane that allows liquids or gases to pass through it

• permeable

• perceive

• perforate

• percolate

(v) to interpret or see someone or something in a particular way; to regard as

• permeable

• perceive

• perforate

• percolate

(n) conversation between two or more people as a feature of a book, play, or movie

• diaphragm

• dialogue

• diagnose

• diameter