▸ Specimen Drawer
Colors & Shapes — Lesson 2
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Specimen
hollow
ˈhɑːloʊ
A cavity or space in something — the ball was hollow, not solid rubber.
The old tree trunk was completely hollow inside.
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margin
ˈmɑːrdʒɪn
The boundary line or the area immediately inside the boundary — the profit margin is very small.
She wrote her notes in the margin of the book.
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stamp
stæmp
The distinctive form in which a thing is made — I need to buy a stamp for this letter.
I need to buy a stamp for this letter.
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turn
tɝn
A circular segment of a curve — turn the handle to open the door.
Please turn left at the next corner.
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brink
brɪŋk
A region marking a boundary — the country was on the brink of war.
She stood on the brink of the cliff, looking down at the valley.
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chord
tʃɔːrd
A straight line connecting two points on a curve — can you name this chord?
She played a beautiful chord on the piano.
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cylinder
ˈsɪlɪndər
A solid bounded by a cylindrical surface and two parallel planes (the bases) — the gas cylinder is empty.
The engine has four cylinders.
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jog
dʒɔːɡ
A sharp change in direction — I try to jog for thirty minutes every day.
I try to jog for thirty minutes every day.
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annulus
ˈænjələs
A toroidal shape — the term annulus is often used in mathematics and geometry.
The area of an annulus can be found by subtracting the area of the inner circle from that of the outer circle.
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arch
ɑrtʃ
A curved shape in the vertical plane that spans an opening — the bridge's arch is made of stone.
The ancient Roman aqueducts have many arches.
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