axis
Translation
axis, pivot, center line
Examples
The Earth rotates on its axis.
The Earth rotates on its axis.
The vertical axis on a graph is the y-axis.
The vertical axis on a graph is the y-axis.
Grammar Patterns
((the)) axis of ((sth.)) the central line of sth. The Earth rotates on its axis.
((the)) x/y/vertical/horizontal axis a reference line on a graph The vertical axis on a graph is the y-axis.
Similar Words
Synonyms: pivot, center line
Etymology
From Latin 'axis', meaning 'axle, pivot'.
Memory Tips
Remember that the plural form is 'axes'. This can be confusing because it's the same spelling as the plural of 'axe' (the tool).