1. deficit

noun. ['ˈdɛfəsət'] the property of being an amount by which something is less than expected or required.

Rhymes with Oxygen Deficit

2. deficit

noun. ['ˈdɛfəsət'] (sports) the score by which a team or individual is losing.

3. deficit

noun. ['ˈdɛfəsət'] an excess of liabilities over assets (usually over a certain period).

4. deficit

noun. ['ˈdɛfəsət'] a deficiency or failure in neurological or mental functioning.

5. oxygen

noun. ['ˈɑːksədʒən, ˈɑːksɪdʒən'] a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.