oil string
noun
The innermost casing (tubing) in an oil well, extending down to the oil-producing rock.
Origin
1920s.
- hyperdiploidy
- hyperdrive
- hyperemesis
- hyperemesis gravidarum
- hyperemia
- hyperesthesia
- hyperextend
- hyperextension
- hyperflier
- hyperfocal distance
- hypergamy
- hyperglycaemia
- hyperglycaemic
- hyperglycemia
- hypergolic
- hypergranulation
- hypericin
- hypericum
- hyperimmune
- hyperimmunized
- hyperinflation
- hyperinstrument
- Hyperion
- hyperkeratosis
- hyperkinesia