The cardinal tetras darted through the densely planted aquarium, adding a flash of color that brightened the room.

During the clinical assessment, the doctor focused on the cardinal symptoms to determine the most likely diagnosis.

Economists often treat household income as a cardinal variable so that proportional changes and differences can be modeled directly.

Phonetics students practiced producing the cardinal vowels until their tongue positions matched the model.

In the lecture, the phonetician demonstrated how to produce a cardinal vowel by moving the tongue to its highest front position.

In advanced set theory seminars, researchers debated whether the newly defined limit cardinal could be characterized by iterated power set operations or whether it should be described as a cardinal that is not the successor of any smaller cardinal.

The cardinal flowers along the stream attracted hummingbirds all summer.

The cardinal nephews met privately to plan their strategy for the upcoming conclave.

During the conclave, the cardinal bishops convened to deliberate on the future of the Church.

In the grammar exercise, the teacher asked us to list several cardinal adjectives and use them in sentences.