Hard TOEFL Words - Group 3

[Esc] (1)
n. accelerator in which two beams of particles are forced to collide head on

[Esc] (2)
n. written explanation or criticism or illustration that is added to a book or other textual material

[Esc] (3)
n. activity of communicating; activity of conveying information

[Esc] (4)
a. capable; adept

[Esc] (5)
n. calculation

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a. brief and compact; expressing much in few words

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n. any gymnospermous tree or shrub bearing cones

[Esc] (8)
v. associate; join

[Esc] (9)
n. component or part; citizen, voter

[Esc] (10)
v. strive in opposition or against difficulties; struggle; compete, as in a race