hemp - hord
- hemp
- hempel gas apparatus
- hempseed oil
- hendecane
- henry's law
- hentriacontane
- heparin
- heptachlor
- heptacosane
- heptadecane
- heptadecanol
- heptanal
- heptane
- heptanoic acid
- heptanol
- heptavalence
- heptene
- heptose
- heptoxide
- heptyl alcohol
- heptyl aldehyde
- heptylene
- heptylic acid
- herbicide
- heroin
- hesperidin
- hess's law
- heteroatom
- heteroauxin
- heteroazeotrope
- heterocycle
- heterocyclic compound
- heterogeneity
- heterogeneous catalyst
- heterogeneous equilibrium
- heterogeneous polymerization
- heterogeneous reaction
- heterogeneous system
- heteroion
- heterolysis
