- hydrocarbon base
- hydrogen bond
- hydrogen-suppressed graph
- hydrolysable tannin
- hydrolysis
- hydrophile-lipophile balance value
- hydrophilic group
- hydrophilic ointment
- hydrophilicity
- hydrophobic bond
- hydrophobic interaction
- hydrophobicity
- hydrostatic injection
- hydrostatic method, Westphal balance method
- hydroxyanthraquinone
- hydroxyl value
- hyperchromic effect
- hyperplane
- hypertonic solution
- hypertoxic
- hypha
- hypnotic
- hypodermal fiber
- hypodermic tablet
- hypodermis
- hypoglycemic
- hypolipidemic
- hypophysis anterior lobe hormones, anterior pituitary hormones
- hypophysis hormone release stimulant
- hypophysis hormones, pituitary hormones
- hypophysis posterior lobe hormones, posterior pituitary hormones
- hypotonic solution
- hypoxic cell radiosensitizer
- hypsochromic effect
- identification
- identification of original animal
- identification of original plant
- idiophase
- idiosyncrasy
- idiotroph
- image analysis
- image current
- imidazole alkaloid
- immersion refractometer
- immobilized enzyme
- immunoassay
- immunoblotting
- immunoconjugator
- immunoelectrophoresis
- immunoglobulins