1. Meaningful Sentences Unit 19
RIV (Latin) – stream
DELU, DILU (Latin) – to wash away; flood

2. rivulet- n. Reg./Pre-AP a small stream of water
For example: When local residents saw a rivulet of lava descending from the volcano, they…
Remember – RIV means stream.

3. borrowing from something else; unoriginal
derivative- adj. Reg./Pre-AP
borrowing from something else; unoriginal
For example: Critics of the play say it is highly derivative because it…
Remember – RIV means stream.

4. having no equal competition
unrivaled- adj Reg./Pre-AP
having no equal competition
For example: Herman’s volleyball skills were once unrivaled but now…
Remember – RIV means stream.

5. deluge- n Reg./Pre-AP
a flood
For example: When the rock star received a deluge of fan mail, she knew that…
Remember – DELU means to wash away
or flood.

6. to water down; to weaken
dilute- v Reg./Pre-AP
to water down; to weaken
For example: Some chefs prefer to dilute the spicy soup because…
Remember – DILU means to wash away or
flood.