Day4-6. Space and Time

Day4:

Vocabulary:

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1. leaning

n. a. the act of deviationg from a vertical position

b. the property possessed by a line or surface that departs from the vertical

c. a natural inclination

d. an inclination to do something

adj. departing or being caused to depart from the true vertical of horizontal

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2.slope

v. be at an angle

n. a. an elevated geological formation

b. the property possessed by a line or surface that departs from the horizontal

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3.feather

n. a. the light horny waterproof structure forming the external covering of birds

b. turning an oar parallerl to the water between pulls

v. a. cover or fit with feathers

b. grow feathers

c. turn the oar, while rowing

d. turn the paddle; in canoeing

e. join tongue and groove, in carpentry

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4.act on

a. carry further or advance

b. regulate one's behavior in accordangce with certain information, ideas, or advice

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5. elliptical

adj.a. rounded like an egg

b. characterized by extreme economy of expression or omission of superfluous elements

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6.spiral

adj. in the shape of a coil

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7.refute

v. a. overthrow by arguement, evidence, or proof

b. prove to be false or incorrect

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8.stub

v. a. pull uo by their roots

b. clear of weeds by uprooting them

c. strike accidentally against an object

d. extinguish by crushing

n. a. the small unused part of something

b. a small piece

c. a short piece remaining on a trunk or stem where a branch is lost

d. the part of a check that is retained as a record

e. a torn part of a ticket returned to the holder as a receipt

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9.propagation

n. a. the act of producing offspring or multiplying by such production

b. the spreading of something (a belief or practice) into new regions

c. the movements of a wave through a medium

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10. magnetism

n. a.attaction for iron; associated wtih electric currents as well as magnets; characterized by fields of force

b. the branch of science that studies magnetism

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11.crest

n. a. the top or extreme point of something

b. the top line of a hill, mountain, or wave

c. the center of a camberen road

v. a. reach a high point

b. lie at the top of

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12.eclipse

n. one celestial body obscures another

v. a. cause an eclipse of (a celestial body) by intervention

b. be greater in significance than

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13.ripple

n. a. a small wave on the surface of a liquid

b. an oscillation of small amplitude imposed on top of a steady value

v. a.stir up so as to form ripples

b. flow in an irregular current with a bubbling noise

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14. pond

n. a small lake

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15.infrared

adj. having, or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end

n. a. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

b. the infrared region of the electromagnetic spectrum; electromagnetic wave grequencies below the visible range

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16.ultraviolet

adj. having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end

n. radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X-rays.

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17.astronomer

n. a physicist who studies astronomy

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18.Jupiter

n. the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky

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19.postulate

v. a. maintain or assert

synonyms: contend

b. require as useful, just, or proper

synonyms: ask, call for, demand, involve, necessitate, need, require, take, claim, exact,

antonyms: eliminate, obviate, rid of

c. take as a given; assume as a postulate or axiom

synonyms: posit

n. a proposition that is accepted as true in order to provide a basis for logical reasoning

synonyms: posit

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20.intrinsic

adj. a. belonging to a thing by its very nature

synonyms: intrinsical; inalienable; unalienable; essential; built-in; constitutional; inbuilt; inherent; integral; inner; internal; intimate

antonyms: extrinsic

b. situated within or belonging solely to the organ or body part on which it acts

Day 6

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