| macronutrient |
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noun
- the elements required in large amounts by all living things.
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| macropodous |
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adjective
- Having long legs or feet.
(webster)
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| macrosporangium |
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noun
- A sporangium or conceptacle containing only large spores; opposed to microsporangium. Both are found in the genus, genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.
(webster)
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| macrospore |
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noun
- One of the specially large spores of certain flowerless plants, as Selaginella, etc.
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| male |
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noun
- Someone of masculine gender.
adjective
- Belonging or referring to the sex which is generally characterized as having the smaller gametes (for species which have two sexes and for which this distinction can be made).
- (figurative) having an external plug, as in a connector or pipe fitting.
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| marcescent |
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adjective
- (context, of a blossom etc) withering but remaining attached to a twig etc
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| masked |
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adjective - Wearing a mask or masks; characterized by masks; concealed; hidden.
- (Botany): Same as Personate
- (Zoí¶logy): Having the anterior part of the head differing decidedly in color from the rest of the plumage; -- said of birds.
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| mat |
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noun
- A flat piece of coarse material used for wipe, wiping one"s feet, or as a decorative or protective floor covering
- A small flat piece of material used to protect a surface from anything hot or rough; a coaster
- (athletics) A floor pad to protect athletes
- A thickly tangled mess, of hair etc
- a thick paper or paperboard border used to inset and center the contents of a frame
verb to mat
- to cover, protect or decorate (something) with mats
- to form a thick, tangled mess
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| medulla |
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noun (pl1=medullas, pl2=medullae)
- The soft inner part of something, especially the pith of a fruit.
- (anatomy) The inner substance of various organs and structures, especially the marrow of bones.
- (anatomy) The medulla oblongata.
- (botany) The internal tissue of a plant.
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| meristem |
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noun
- (botany) the zone of active cell division in a plant
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| metamorphosis |
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noun (metamorphoses)
- A transformation, such as that of magic or by sorcery
- A noticeable change in character, appearance, function or condition.
- (biology) A change in the form and often habits of an animal after the embryonic stage during normal development. (e.g. the transformation of a caterpillar into a butterfly or a tadpole into a frog.)
- (pathology) A change in the structure of a specific body tissue. Usually degenerative.
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| microsporangium |
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noun
- A case, capsule or container that holds microspores.
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| microspore |
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noun
- A small spore.
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| midrib |
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noun
- (botany) The strengthened vein down the middle of a flower petal or leaf.
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| mongrel |
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noun
- being of mixed kind or uncertain origin
- That dog is a , who knows what breed it could be!
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| monocot |
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noun
- The commonly used and shorter form of what is full-out monocotyledon
adjective
- Pertaining to the monocotyledons: "monocot anatomy"
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| monocotyledon |
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noun
- any plant belonging to the Monocotyledones (also written Monocotyledonae) or Liliopsida, a class in the Angiospermae, the flowering plants. This group include the grasses, lilies, orchids and palms.
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| monocotyledonous |
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adjective - (botany) Of or pertaining to a flowering plant having a seed with one embryonic leaf (a single cotyledon).
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| monocyclic |
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adjective - Having a single cycle of development or activity.
- (chemistry) Having a single ring of atoms in the molecule; such as benzene or cyclopropane.
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| monopode |
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noun
- Someone or something with one foot.
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| monosepalous |
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adjective - (botany) (of a calyx) having all sepals united
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| mulch |
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noun (es, -)
- (context, uncountable, agriculture) Shredded vegetable (or occasionally mineral) matter used to cover the top layer of soil to protect, insulate, or decorate it, or to discourage weeds or retain moisture.
- An organic is a made of natural substances such as leaves or grass clippings.
- (context, countable, agriculture) A material used as mulch, as a decorative redwood bark mulch.
verb (mulch, es)
- (agriculture) To apply mulch.
- Mulch your vegetable garden to retain moisture and keep weeds down.
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| mule |
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noun
- A generally sterile hybrid offspring of a male donkey and a female horse.
- (informal) A stubborn person.
- (slang) A person paid to smuggle drugs.
- A woman's shoe that has no fitting or strap around the heel
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| multiparous |
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adjective - Having two or more pregnancies, resulting in viable offspring.
- Producing several offspring at one time.
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| musk |
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noun - A greasy secretion with a powerful odour, produced in a glandular sac of the male musk deer and used in the manufacture of perfumes
- A similar secretion produced by the otter and the civet
- A synthetic organic compound used as a substitute for the above
- The odour of musk
- The musk deer
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