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Glossary of Botanical Terms
beginning with letter E
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effloresce Tweet Definition of effloresce Like Definition of effloresce on Facebook
verb (effloresc, ing)
  1. (intransitive) To burst into bloom; to flower.
  2. (intransitive, chemistry) To change from being crystalline to being powdery by losing water of crystallization.
  3. (intransitive) To become covered with powder.
efflorescence Tweet Definition of efflorescence Like Definition of efflorescence on Facebook
  1. (chemistry) The formation of a powdery surface on crystals, as a hydrate is converted to anhydrous form by losing loosely bound water of crystallization to the atmosphere.
  2. (botany) The production of flowers.
  3. (metaphorical) Rapid flowering of a culture or civilisation etc.
  4. (pathology) A redness, rash, or eruption on the skin.
efflorescent Tweet Definition of efflorescent Like Definition of efflorescent on Facebook
adjective Efflorescent<br>
  1. bursting into flower; "flowering trees of spring"
  2. growing at a rapid rate; "...Essenes were an efflorescent Jewish sect starting in the second century BCE..."
embryo Tweet Definition of embryo Like Definition of embryo on Facebook
  1. An unborn baby that is less developed than a foetus.
  2. An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.
  3. In viviparous animals, the young animal's earliest stages in the mother's body
  4. In humans, usually the cell growth up to the end of the seventh week in the mother's body
  5. (botany) A rudimentary plant contained in the seed.
  6. The beginning; the first stage of anything.
endocarp Tweet Definition of endocarp Like Definition of endocarp on Facebook
  1. The woody inner layer of the pericarp of some fruits that contains the seed
endodermis Tweet Definition of endodermis Like Definition of endodermis on Facebook
  1. (botany) In a plant stem or root, a cylinder of cells the separates the outer cortex from the central core. The endodermis controls flow of water and minerals within the plant. In most plants, this tissue is restricted to the roots.
  2. (zoology): The deepest layer of the skin.
endophyte Tweet Definition of endophyte Like Definition of endophyte on Facebook
  1. Any organism that lives inside another plant
endosperm Tweet Definition of endosperm Like Definition of endosperm on Facebook
  1. (biology) triploid tissue, surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo
endothecium Tweet Definition of endothecium Like Definition of endothecium on Facebook
noun (endothecia)
  1. (biology) The tissue found in the walls of anthers, and in moss capsules
entire Tweet Definition of entire Like Definition of entire on Facebook
  1. An uncastrated horse; a stallion.
    • 2005: He asked why Hijaz was an . You know what an entire is, do you not, Anna? A stallion which has not been castrated. " James Meek, The People's Act of Love (Canongate 2006, p. 124)
      1. (stamp collecting) a complete envelope with stamps and all official markings: (prior to the use of envelopes) a page folded and posted.
  1. whole; complete.
We had the building to ourselves for the evening.
  1. (botany) Having a smooth margin without any indentation.
epidermis Tweet Definition of epidermis Like Definition of epidermis on Facebook
  1. The outer, protective layer of the skin of vertebrates, covering the dermis
  2. The similar outer layer of cells in invertebrates and plants
epinasty Tweet Definition of epinasty Like Definition of epinasty on Facebook
  1. (botany) the downward curvature of leaves etc due to differential growth rates
equinoctial Tweet Definition of equinoctial Like Definition of equinoctial on Facebook
  1. the great circle midway between the celestial poles; the celestial equator
  1. of, or relating to an equinox
  2. of, or relating to the celestial or terrestrial equator
erect Tweet Definition of erect Like Definition of erect on Facebook
verb (erects, erecting, erected)
  1. (transitive) To put up by the fitting together of materials or parts.
  2. (transitive) To cause to stand up or out.
  1. upright, Upright; vertical or reaching broadly upwards.
  2. rigid, Rigid, firm; standing out perpendicularly.
erose Tweet Definition of erose Like Definition of erose on Facebook
  1. Irregularly notched, eaten away, as though bitten
escape Tweet Definition of escape Like Definition of escape on Facebook
  1. The act of leaving a dangerous or unpleasant situation.
The prisoners made their escape by digging a tunnel
  1. A key on most modern computer keyboards, sometimes abbreviated Esc, and typically programmed to cancel some current operation.
  2. (programming) The ASCII character represented by 27 (decimal) or 1B (hexadecimal.)
You forgot to insert an in the datastream.
  1. (context, snooker) A sucessful shot from a snooker position.
verb (escap, ing)
  1. (intransitive) To get free, to free oneself.
The prisoners escaped by jumping over a wall.
  1. (transitive) To avoid (any unpleasant person or thing); to elude, get away from.
He only got a fine and so escaped going to jail.
The children climbed out of the window to the fire.
  1. (intransitive) To avoid capture; to get away with something, avoid punishment.
Luckily, I escaped with only a fine.
  1. (transitive) To elude observation or notice; to not be seen or remembered by.
The name of the hotel escapes me at present.
  1. (computing) To prefix a character with a special character (depending on context) to allow a character to pass through without special meaning.
When using the "bash" shell, you can the ampersand character with a backslash.
In your monobook.js file, you can the apostrophe character with a backslash.
Brion escaped the double quote character on Windows by adding a second double quote within the literal.
  1. (computing) to halt a program or command by pressing a key (such as the Esc key) or combination of keys
espalier Tweet Definition of espalier Like Definition of espalier on Facebook
  1. A horticultural technique using pruning and shaping to train the branches of a tree or shrub into a two-dimensional ornamental design, as along a wall or fence.
  2. A plant that has been shaped in this manner.
  1. To train a plant in this manner.
estivation Tweet Definition of estivation Like Definition of estivation on Facebook
  1. The act of passing through the summer
  2. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
  3. (botany) the arrangement of sepals and petals in a flower bud before it opens
evergreen Tweet Definition of evergreen Like Definition of evergreen on Facebook
  1. A tree or shrub that does not shed its leaves or needles seasonally.
  2. (colloquial) More specifically, a conifer tree (e.g. pine, fir, cedar.)
    • 1858: Henry David Thorea, The Maine Woods
    • :The spruce and fir trees crowded to the track on each side to welcome us, the arbor- vitae, with its changing leaves, prompted us to make haste, and the sight of the canoe-birch gave us spirits to do so. Sometimes an just fallen lay across the track with its rich burden of cones, looking, still, fuller of life than our trees in the most favorable positions.
    • 1958: Chuck Berry, Johnny B. Goode
    • :Deep down in Louisiana, close to New Orleans,
    • :Way back up in the woods among the evergreens,
    • :There stood a log cabin made of earth and wood
    • :Where lived a country boy named Johnny B. Goode
      1. (colloquial) A television news story that can be shown at any time there is available space as it is not time-sensitive.
  1. (patents, pharmaceuticals) To extend the term of a patent beyond the normal legal limit, usually through repeated small modifications.
  2. (banking) To set the repayment rate of a loan at or below the interest rate, so low that the principal will never be repaid.
  1. Of plants, especially trees, that do not shed their leaves seasonally.
exasperate Tweet Definition of exasperate Like Definition of exasperate on Facebook
verb (exasperat, ing)
  1. To frustrate, vex or annoy; to make angry.
    1851 The picture represents a Cape-Horner in a great hurricane; the half-foundered ship weltering there with its three dismantled masts alone visible; and an exasperated whale, purposing to spring clean over the craft, is in the enormous act of impaling himself upon the three mast-heads. " Herman Melville,,+Herman,+1819-1891:+Moby-Dick,+or,+The+Whale,+1851&query=exasperate&id=Mel2Mob Moby Dick.
exine Tweet Definition of exine Like Definition of exine on Facebook
  1. (botany) the outer layer of a pollen grain or spore; the exosporium
exocarp Tweet Definition of exocarp Like Definition of exocarp on Facebook
  1. (biology) The outermost layer of the pericarp of fruits; the skin or epicarp

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