hypo-
Prefix meaning beneath
Hypo- is a prefix meaning under, beneath, or below normal.
In medicine, it indicates deficiency: hypothermia (low body temperature), hypoglycemia (low blood sugar), hypoactive (underactive).
In chemistry, it denotes a lower state of oxidation.
The prefix contrasts with hyper-, which means over or excessive.
scientific
Insufficient oxygen supply
- hypogealBelow earth's surface
- hypostasisUnderlying essence or substance
- hypodermLayer beneath outer covering
medical
Insufficient thyroid hormone production
- hyponatremiaInsufficient blood sodium levels
- hypoventilationInadequate lung gas exchange
- hypocalcemiaDeficient serum calcium levels
- hypoplasiaIncomplete organ formation
anatomical
Innermost skin layer
- hypothalamusSubthalamic regulatory brain region
- hypochondriumUpper side abdominal region
- hypodermLayer beneath outer covering
- hypopharynxLowest pharyngeal cavity region
deficiency
Diminished organ activity
- hyposensitiveDiminished response to stimuli
- hypotrophySubnormal tissue development
- hypoplasticAbnormally small or incomplete
- hypodenseLower density than surrounding tissue
hypoxic
Insufficient oxygen supply
- hypogealBelow earth's surface
- hypostasisUnderlying essence or substance
- hypodermLayer beneath outer covering
hypothyroidism
Insufficient thyroid hormone production
- hyponatremiaInsufficient blood sodium levels
- hypoventilationInadequate lung gas exchange
- hypocalcemiaDeficient serum calcium levels
hypodermis
Innermost skin layer
- hypothalamusSubthalamic regulatory brain region
- hypochondriumUpper side abdominal region
- hypodermLayer beneath outer covering
hypofunction
Diminished organ activity
- hyposensitiveDiminished response to stimuli
- hypotrophySubnormal tissue development
- hypoplasticAbnormally small or incomplete
- working hypothesisTestable assumption guiding inquiry
- hypodermic needleHollow point for injections
- hypothetically speaking
- hypothetical scenarioImagined situation for reasoning
- hyperspace jumpInstant travel between stars
- hypodermic syringeNeedle for subcutaneous delivery
hypocrite, hypocrisy, hypothesis, hypothetical, hypothesize, hypocritical, hypochondriac, hypo, hypodermic