Her restrictivist stance on immigration sparked fierce debate among policymakers.

The university committee labeled him a restrictivist after he argued for stricter campus speech policies.

The restrictivists argued that loosening the rules would jeopardize public safety.

The lab used a novel restrictase to cut the plasmid at multiple restriction sites during cloning.

The research team compared several restrictases to determine which produced the cleanest DNA fragments.

As a restrictee, she was only allowed to access the building during daytime hours.

The restrictees were required to report to the monitoring center every morning.

Researchers isolated restrictocin, a ribotoxin protein produced by Aspergillus fungi, to study its mechanism of inhibiting protein synthesis.