Medical Marijuana Glossary


Medical Marijuana Glossary



Browse the glossary using this index

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A

Absorb

to draw or take in: Roots absorb water and nutrients

Acid

a sour substance: An acid or sour soil has a low pH

Active

a hydroponic system that actively moves the nutrient solution

Adobe

heavy clay soil that drains slowly: Adobe is not suitable for container growing

Adventitious Roots

roots that grow from unusual spots, as on the (stem) pericycle or endodermis of an older root - auxins may influence this type of growth

Aeration

to supply soil and roots with air or oxygen

Aeroponics

growing plants by misting roots suspended in air

Aggregate

a substrate that is of nearly uniform size and used for the inert hydroponic medium

Agronomically

having to do with the economics of agriculture

Alkaline

refers to soil, or any substance, with a pH over 7

Alkylation

a process in which an alkyl group is substituted or added to a compound

Alleles

two genes, each of which occupies the same position on two homogeneous chromosomes

Alternating Current (AC)

an electrical current that reverses itsdirection at regularly occuring intervals: Homes have AC

Amendments

can be either organic or mineral base: Amendments change the texture of a growing medium

Ampere (amp)

the unit used to measure the strength of an electric current: A 20-ampere circuit is overloaded when drawing more than 16 amps

Androecious

a plant having staminate (MALE)

Anemophilous

pollinated by wind-dispersed pollen

Annual

a plant that normally completes its entire life cycle in one year or less - cannabis is an annual plant

Arc Tube

container for luminous gases; houses the arc in an HID lamp

Asexual Propagation

reproducing using non-sexual means such as taking cuttings from a parent plant - will produce exact genetic replicas of the parent plant

Auxin

classification of plant hormones: Auxins are responsible for foliage and root elongation

B

Bacteria

very small, one-celled plants that have no chlorophyll

Bag Seed

the common term given seed of unknown origin that was found in a bag of cannabis

Ballast

a stabilizing unit that regulates the flow of electricity and starts an HID lamp - a ballast consist of a transformer and a capacitor

Beneficial Insect

a good insect that eats bad, marijuana-munching insects


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