inflexions

"The characters in the book went on a thrilling adventure. "

"The teacher determined the rules for the classroom project, setting clear limits on the length of presentations. "

"alkalies are correctives of acids"

"My daughter is having trouble seeing the board at school, so I made an appointment with the optometrist to check her vision. "

"Your writing is not grammatical enough for publication."

"an inflection for gender, number, or tense"

"A mirror reflects the light that shines on it."

"The diffraction of light through a prism creates a rainbow. "

"My daughter is studying optometry at the university to become an eye doctor. "

"The artist used the curvature of the branch to make a beautiful handle for the walking stick. "

"The complicated instructions on the new software difficult me from completing the project on time. "

"We challenged the boys next door to a game of football."