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IUPAC Compendium of Chemical Terminology

 

[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]

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lambda
lambda
L
l
l, u
label
labelling
labile
laboratory sample
lachrymator
lactams
lactides
lactims
lactols
lactones
ladder chain
ladder macromolecule
ladder polymer
lag phase (in biotechnology)
Lambert law
lamellar crystal
lamellar domain morphology
laminate
lamination
lamp
lamp black
Landolt reaction
Langmuir-Blodgett (LB) membrane
Langmuir-Hinshelwood mechanism
Langmuir monolayer
Langmuir-Rideal (Rideal-Eley) mechanism
Laporte rule
lapse rate (in atmospheric chemistry)
large particle (in radiation scattering)
lariat ethers
laser
laser beam ionization
laser ionization (in mass spectrometry)
laser micro emission spectroscopy (LAMES)
laser micro mass spectrometry (LAMMS)
laser Raman microanalysis (LRMA)
lasing
late-downhill surface
latent image
latent period (latency)
lateral order (in a polymer)
lateral resolution (in in situ microanalysis)
latex
lath crystal
lattice distortion
laws of distribution (in precipitation)
layer
layer equilibrium (in chromatography)
leader sequence (in biotechnology)
least-squares technique
leaving group
lecithins
lectins
Leffler's assumption
left-to-right convention
length, l
lethal concentration
lethal dose
lethal synthesis
leuco bases
leuco compounds
leukotrienes
level
levelling effect
level width, gamma
Lewis acid
Lewis acidity
Lewis adduct
Lewis base
Lewis basicity
Lewis formula (electron dot or Lewis structure)
LIDAR (in atmospheric chemistry)
lifetime (mean lifetime),
lifetime (of luminescence)
ligand field
ligand field splitting
ligands
ligand to ligand charge transfer (LLCT) transition
ligand to metal charge transfer (LMCT) transition
ligases (synthetases)
ligate
light-atom anomaly
light polarization
light scattering
light source
lignans
lignins
limiting adsorption current
limiting catalytic current
limiting condition of operation
limiting current
limiting differential diffusion coefficient
limiting diffusion current
limiting kinetic current
limiting mean
limiting migration current
limiting sedimentation coefficient
limiting viscosity number
limit of detection (in analysis)
limit test (in toxicology)
linear absorption coefficient
linear (decadic) absorption coefficient (in optical spectroscopy)
linear attenuation coefficient
linear (decadic) attenuation coefficient (in optical spectroscopy)
linear chain
linear chromatography
linear copolymer
linear dispersion
linear distribution isotherm (in chromatography)
linear electron accelerator
linear energy transfer
linear free-energy relation
linear Gibbs energy relation
linearity of responsivity (of a radiation detector)
linear macromolecule
linear polarizer
linear polymer
linear pulse amplifier
linear range
linear solvation energy relationships
linear strain, epsilon, e
line formula
lineic
line-of-centres model
line repetition groups
line-shape analysis
Lineweaver-Burk plot
line width
line width (in Mossbauer spectroscopy)
linked scan (in mass spectrometry)
lipid film
lipids
lipophilic
lipophilicity
lipophobic
lipopolysaccharides
lipoproteins
liposome
Lippman's equation
liquid chromatography (LC)
liquid-coated stationary phase (material) (in liquid chromatography)
liquid crystal
liquid-crystal dendrimer
liquid-crystalline polymer
liquid-crystal phase
liquid-crystal polymer
liquid-crystal state
liquid-crystal transitions
liquid excimer laser
liquid-gel chromatography
liquid ion exchange
liquid ion laser
liquid junction
liquid laser
liquid-liquid distribution (extraction) (partition)
liquid-liquid extraction
liquid membrane
liquid-phase loading (in chromatography)
liquid scintillation detector
liquidus
liquid volume (in gas chromatography)
lithometeor (in atmospheric chemistry)
lithosphere (in atmospheric chemistry)
litre
live time
living copolymerization
living polymer
living polymerization
load (on a precision balance)
loading capacity (in solvent extraction)
LOAEL
local conformation (of a polymer)
local current density
local efficiency of atomization (in flame spectrometry)
local flame temperature (in flame emission and absorption spectrometry), T1
local fraction atomized (in flame emission and absorption spectrometry),
local fraction desolvated (in flame emission and absorption spectrometry)
local fraction volatilized (in flame spectrometry)
localized adsorption
localized-itinerant transition
lock-in state
logarithmic distribution coefficient (in precipitation)
logarithmic normal distribution (of a macromolecular assembly)
logarithmic viscosity number
logit
log-normal distribution
London-Eyring-Polanyi (LEP) method
London-Eyring-Polanyi-Sato (LEPS) method
London forces
lone (electron) pair
long chain
long-chain branch
longitudinal order (in a polymer)
long-lived collision complex
long-range intramolecular interaction (in polymers)
long spacing (in polymer crystals)
loose end
loose ion pair
Lorentz broadening (of a spectral line)
Lorentzian band shape
Lorenz-Mie theory
lot (in analytical chemistry)
low energy electron diffraction (LEED)
lowest lethal concentration found
llower critical solution temperature
lowest-observed-adverse-effect-level (LOAEL)
lowest-observed-effect-level (LOEL)
low-pressure diamond
low pressure electrical discharge
low-pressure mercury lamp (arc)
low-spin
low temperature UV-VIS absorption spectroscopy
lumen
luminance
luminescence
luminescence quenching
luminescence spectrometer
luminous flux
luminous intensity
luminous quantities
lumiphore (luminophore)
LUMO
lux
lyases
lyate ion
lyonium ion
lyophilic
lyophilic sols
lyophobic
lyotropic mesophase
lysimeter


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