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Chemistry Definitions: H
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
H-bar definition
Hückel (4n + 2) rule definition
Haber Process definition
Haber-Weiss reaction definition
haems definition
Half-Cell definition
Half-chair definition
Half-Life definition
half-life, t1/2 (SI unit: s) definition
Half-Reaction definition
half-wave plate definition
halirenium ions definition
halochromism definition
haloforms definition
Halogens definition
halonium ions definition
Haloperoxidase definition
Hammett acidity function definition
Hammett equation (or Hammett relation) definition
hand scribe mark definition
Handedness definition
handler definition
Hansch analysis definition
Hansch constant definition
Hapten definition
hapto definition
hard acid definition
hard bake definition
hard base definition
Hard drug definition
Hard Water definition
hardware safety definition
hardware/software co-design definition
hardwired interlock definition
hazard definition
hazardous gases definition
Hazardous Material (HazMat) definition
hazardous materials definition
hazardous production materials (HPM) definition
hazardous voltage definition
HAZCOM definition
haze definition
HDPE (high density polyethylene) definition
header definition
health hazards definition
Heat definition
Heat Capacity definition
heat capacity of activation, Cpo (SI unit: J mol-1 K-1) definition
heat exchange area definition
heat exchanger definition
Heat of Crystallization definition
Heat of Fusion definition
Heat of Solution definition
Heat of Vaporization definition
heat sink definition
heat trace definition
heavy ion backscattering definition
Heavy Water definition
Heisenberg Uncertainty Principle definition
helicenes definition
Helicity definition
helium (He) definition
helium leak rate definition
helium mass spectrometer leak detector definition
Helix definition
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