1. Into the skin

See also: intradermal

• acid-fast
• acid-forming
• acid-loving
• acid-tasting
• acid-wash
• acidemia
• acidic
• acidic hydrogen
• acidification
• acidify
• acidimetric
• acidimetry
• acidity
• acidly
• acidophil
• acidophile
• acidophilic
• acidophilous
• acidophilus
• acidophilus milk
• acidosis
• acidotic
• acidulate
• acidulent
• acidulous