A laminar boundary layer is a layer

Vocabulary

1.To aspirate: to pronounce (a Letter or word) with the sound of a breath or the letter “h”

2.Dictum: an authoritative Pronouncement; judicial assertion.

3.Dull or dulled: (adjective) Lacking interest or excitement. (verb )  Make or become dull or less intense.

4.To efface: erase (a mark) from A surface.

5.Giddy: (adj.) having a Sensation of whirling and a tendency to fall or stagger; dizzy.

6.Idler: (noun) a habitually lazy Person.

7.To malign: evil in nature or Effect; malevolent.

8.Picket fence:  (noun) a wooden fence made of spaced uprights Connected by two or more horizontal rails.

9.Plash: (noun) a sound produced By liquid striking something or being struck.

10.To presage: a sign or warning That something, typically something bad, will happen; an omen or portent.

11.Slack: (noun) the part of a Rope or line that is not held taut; the loose or unused part. (Adjective) not Taut or held tightly in position; loose.

12.Turf: (noun) a layer of matted Earth formed by grass and plant roots.