Introduction to Dinosaurs: Habits and Reasons for Extinction

adj

1. (of e.g. volcanos) permanently inactive

e.g. an extinct volcano

2. being out or having grown cold

e.g. threw his extinct cigarette into the stream
the fire is out

Synonym: out(p)

3. no longer in existence
lost or especially having died out leaving no living representatives

e.g. an extinct species of fish
an extinct royal family
extinct laws and customs

Synonym: nonextant

noun

1. that part of the central nervous system that includes all the higher nervous centers
enclosed within the skull
continuous with the spinal cord

Synonym: encephalon

2. that which is responsible for one's thoughts and feelings
the seat of the faculty of reason

e.g. his mind wandered
I couldn't get his words out of my head

Synonym: mindheadpsychenous

3. mental ability

e.g. he's got plenty of brains but no common sense

Synonym: brainpowerlearning abilitymental capacitymentalitywit

4. the brain of certain animals used as meat

5. someone who has exceptional intellectual ability and originality

e.g. Mozart was a child genius
he's smart but he's no Einstein

Synonym: geniusmastermindbrainiacEinstein

noun

1. the property resulting from being one of a series of graduated measurements (as of clothing)

e.g. he wears a size 13 shoe

2. the physical magnitude of something (how big it is)

e.g. a wolf is about the size of a large dog

3. a large magnitude

e.g. he blanched when he saw the size of the bill
the only city of any size in that area

4. the actual state of affairs

e.g. that's the size of the situation
she hates me, that's about the size of it

Synonym: size of it

5. any glutinous material used to fill pores in surfaces or to stiffen fabrics

e.g. size gives body to a fabric

Synonym: sizing