Section 1
Root: AER, AIR — air
These words are built on the Latin root AER or AIR, meaning "air."
Key Words
| Word | Definition |
|---|---|
| aerate (v.) | To fill with air; to expose to air |
| aerial (adj.) | Done from or in the air |
| airy (adj.) | Light; not heavy or serious |
In this Grade 5 vocabulary lesson from Unit 18 of Vocabulary from Latin and Greek Roots, Book 1, Level VII, students learn ten words derived from the Latin roots AER/AIR ("air"), FLAT ("to blow"), VENT ("to fan or blow"), and SPIR ("to breathe"), including terms such as aerate, aerial, inflate, deflate, ventilate, hyperventilate, aspire, spirited, and expire. Students practice applying these words in context through sentence-completion and fill-in-the-blank exercises that reinforce both literal and figurative meanings.
Section 1
Root: AER, AIR — air
These words are built on the Latin root AER or AIR, meaning "air."
| Word | Definition |
|---|---|
| aerate (v.) | To fill with air; to expose to air |
| aerial (adj.) | Done from or in the air |
| airy (adj.) | Light; not heavy or serious |
Section 2
Root: FLAT — to blow
This group of words comes from the Latin root FLAT, meaning "to blow."
| Word | Definition |
|---|---|
| inflate (v.) | To make bigger |
| deflate (v.) | To make smaller, make less |
Section 3
Root: VENT — to fan, to blow
These words share the Latin root VENT, meaning "to fan, to blow."
| Word | Definition |
|---|---|
| ventilate (v.) | To push air through |
| hyperventilate (v.) | To breathe too fast |
Section 4
Root: SPIR — to breathe
This group is connected by the Latin root SPIR, meaning "to breathe."
| Word | Definition |
|---|---|
| aspire (v.) | To aim; to have as a goal |
| spirited (adj.) | Having much energy; lively |
| expire (v.) | To come to an end |
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter
Expand to review the lesson summary and core properties.
Section 1
Root: AER, AIR — air
These words are built on the Latin root AER or AIR, meaning "air."
| Word | Definition |
|---|---|
| aerate (v.) | To fill with air; to expose to air |
| aerial (adj.) | Done from or in the air |
| airy (adj.) | Light; not heavy or serious |
Section 2
Root: FLAT — to blow
This group of words comes from the Latin root FLAT, meaning "to blow."
| Word | Definition |
|---|---|
| inflate (v.) | To make bigger |
| deflate (v.) | To make smaller, make less |
Section 3
Root: VENT — to fan, to blow
These words share the Latin root VENT, meaning "to fan, to blow."
| Word | Definition |
|---|---|
| ventilate (v.) | To push air through |
| hyperventilate (v.) | To breathe too fast |
Section 4
Root: SPIR — to breathe
This group is connected by the Latin root SPIR, meaning "to breathe."
| Word | Definition |
|---|---|
| aspire (v.) | To aim; to have as a goal |
| spirited (adj.) | Having much energy; lively |
| expire (v.) | To come to an end |
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter