Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

TOEFL Vocab Stack 3

Useful vocabulary for the TOEFL--Topics: Time Efficiency & Ancient Life

structure n. something constructed, such as a building
adjust v. to change; to get accustomed to something
arbitrary adj. chosen simply by whim or chance, not for any specific reason
denominator the number written below the line in a fraction; The phrase 'lowest common denominator' means the most basic and unsophisticated things that people have in common/share
exponentially adj. at a very fast rate
infinitesimal adj. immeasurably small
maximize v. to increase or make as great as possible.
parallel adj. being an equal distance apart everywhere
proportion n. a part in relation to the whole
rate n. 1. the cost per unit of a good or service; 2. the motion or change that happens in a certain time
sequence v. to organize or arrange in succession
accuracy n. precision; exactness
adjacent adj. next to
compress v. to press together
feasibly adv.practically; in a way that can work
gut v. to empty or hollow out, (for example, a building or an animal) n. the "stomach of an animal"
integrally adv. in a whole or complete manner
overlap v. to lie over part of something; to have elements in common
retain v. to keep or hold
seep v. to pass slowly for a long time, a s a liquid or gas might
Created by: kellymaroo