Contrary to the common assumption that ancient Roman concrete was inferior to modern concrete, recent analysis of Roman harbor structures that have survived intact for two thousand years suggests that certain volcanic-ash mixtures used by Roman builders actually grow stronger over time when exposed to seawater.
From a Central Ideas and Details question · Information and Ideas
Contrary to the common assumption that early sailing ships relied solely on the wind blowing directly from behind, historical analysis of ship logs and hull designs shows that skilled crews as early as the medieval period could sail at an angle against the wind using a technique called tacking.
From a Central Ideas and Details question · Information and Ideas
Contrary to the common assumption that ancient Roman roads were built primarily in straight lines regardless of terrain, recent surveys of surviving road segments show that Roman engineers frequently curved their routes to follow natural contours when doing so significantly reduced construction difficulty.
From a Central Ideas and Details question · Information and Ideas
Which choice best defines “assumption”?
D — Belief, something taken for granted. “assumption” means belief, something taken for granted.
Which word means “belief, something taken for granted”?
A — assumption. “assumption” means belief, something taken for granted.
assumption — belief, something taken for granted. In Chinese: 假设，假定.
assumption is pronounced /əˈsʌmpʃn/.
Contrary to the common assumption that ancient Roman concrete was inferior to modern concrete, recent analysis of Roman harbor structures that have survived intact for two thousand years suggests that certain volcanic-ash mixtures used by Roman builders actually grow stronger over time when exposed to seawater.
Yes. assumption is on the SAT Prep Easy list — mid-frequency academic words that do get tested. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
assume (assumption) + tion (noun).