dilation

English Thesaurus

1. the act of expanding an aperture (noun.act)

hypernym	:	enlargement, expansion,
definition	:	the act of increasing (something) in size or volume or quantity or scope (noun.act)

hyponym	:	vasodilation,
definition	:	dilation of blood vessels (especially the arteries) (noun.act)

hyponym	:	mydriasis,
definition	:	reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs (noun.act)

2. a lengthy discussion (spoken or written) on a particular topic (noun.communication)

hypernym	:	discourse, discussion, treatment,
definition	:	an extended communication (often interactive) dealing with some particular topic (noun.communication)

3. the act of expanding an aperture (noun.act)

derivation	:	dilate, distend,
definition	:	become wider (verb.change)

4. a lengthy discussion (spoken or written) on a particular topic (noun.communication)

derivation	:	dilate, elaborate, enlarge, expand, expatiate, exposit, expound, flesh out, lucubrate,
definition	:	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing (verb.communication)

5. the act of expanding an aperture (noun.act)

derivation	:	dilate, distend,
definition	:	become wider (verb.change)

6. a lengthy discussion (spoken or written) on a particular topic (noun.communication)

derivation	:	dilate, elaborate, enlarge, expand, expatiate, exposit, expound, flesh out, lucubrate,
definition	:	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing (verb.communication)