1. drilling fluid

noun. A mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole.
Synonyms
lube lubricating substance lubricator drilling mud lubricant
Antonyms
empty

2. drilling

noun. (ˈdrɪlɪŋ) The act of drilling a hole in the earth in the hope of producing petroleum.
Synonyms
production boring oil production
Antonyms
interesting
Etymology
drilling (English)
-ing (English)
-ing (Middle English (1100-1500))
-ing (Old English (ca. 450-1100))
-inge (Middle English (1100-1500))
drill (English)
drillen (Middle Dutch (ca. 1050-1350))

3. drilling

noun. (ˈdrɪlɪŋ) The act of drilling.
Synonyms
creating by removal boring
Etymology
drilling (English)
-ing (English)
-ing (Middle English (1100-1500))
-ing (Old English (ca. 450-1100))
-inge (Middle English (1100-1500))
drill (English)
drillen (Middle Dutch (ca. 1050-1350))

4. fluid

noun. (ˈfluːəd, ˈfluːɪd) A substance that is fluid at room temperature and pressure.
Synonyms
liquid ichor filtrate coolant substance
Antonyms
compound simple stormy undiplomatic difficult
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

5. fluid

noun. (ˈfluːəd, ˈfluːɪd) Continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas.
Synonyms
gas matter liquid
Antonyms
uneven rough uglify roughen
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

6. fluid

adjective. (ˈfluːəd, ˈfluːɪd) Subject to change; variable.
Synonyms
unstable changeable changeful
Antonyms
unchangeable frozen unmelted opaque
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

7. fluid

adjective. (ˈfluːəd, ˈfluːɪd) Characteristic of a fluid; capable of flowing and easily changing shape.
Synonyms
liquid runny
Antonyms
gaseous solid unironed
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

8. fluid

adjective. (ˈfluːəd, ˈfluːɪd) Affording change (especially in social status).
Synonyms
changeful changeable mobile
Antonyms
unchangeable tearless unmusical vowel
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

9. fluid

adjective. (ˈfluːəd, ˈfluːɪd) In cash or easily convertible to cash.
Synonyms
liquid disposable
Antonyms
nondisposable disapproval approval
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)

10. fluid

adjective. (ˈfluːəd, ˈfluːɪd) Smooth and unconstrained in movement.
Synonyms
liquid smooth fluent graceful
Antonyms
awkward activator inhibitor nonslippery coarse
Etymology
fluid (English)
fluidus (Latin)
fluere (Latin)
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