Word Stems
List 18 – Day One
1. atmo • Definition- Vapor• atmosphere – mass of air around the earth (vapor plus sphere)
2. cardio •Definition- Heart•cardiology – study of the heart and its diseases
3. cosmo• Definition- World or
Universe• cosmology – branch of
astronomy that deals with the origin and structure of the universe
4. counter• Definition- against• counterclockwise – in a direction against or opposite of the normal direction of clock hands
5. cranio •Definition- Skull•craniology – study of the size, shape and proportion of skulls.
6. cyclo • Definition- circle• encyclopedia – course or circle
of general education that contains information on all branches of knowledge
• Bicycle, recycle, cyclone
Word Stems
List 18 – Day Two
7. gno• Definition- know• prognosis ( to know before) as in the prospect of recovery from a disease
• Ignorant, ignore
8. oss •Definition-bone•ossify – to make (fy) or change into bone
9. xylo• Definition-wood• xylophagous – feeding on wood
• xylography – the art of making engravings in wood
10. monger
• Definition- seller• warmonger – one who sells or urges war. One who attempts to stir up war
11. sept
• Definition- seven• September – 7th month (9th
month of the Gregorian calendar)
• septuagenerarian – a person who is in their 70’s
12. xeno
• Definition - stranger•xenophobia – fear of strangers
Word Stems
List 18 – Day Three
13. vas
• Definition - vessel• vascular – relating to a channel for the movement of fluids such as blood.
14. fore•Definition - front•forehead – the front of the head
15. -ish• Definition- like• snobbish – like a snobb• foolish – like a fool• childish – like a child
16. -less• Definition - without• hopeless – without hope• meaningless – without
meaning• worthless – without worth• careless – without care
17. baro
• Definition - pressure•barometer – intrument used to measure air pressure
18. ferro
• Definition - iron• ferroconcrete – concrete reinforced with iron rods
Word Stems
List 18 – Day Four
19. quasi
• Definition - somewhat• quasi-military – somewhat military
• quasi-public – somewhat public
20. nesia
•Definition - island•Micronesian – native of Micronesia (small island)
21. lepsy
• Definition- attack• narcolepsy – a condition characterized by brief attacks of deep sleep
22. -let• Definition - little• piglet – a little pig• hamlet – a little village• droplet – a little drop of water
23. nano
• Definition- billionth• nanosecond – one billionth of a second
• nanogram – one billionth of a gram
24. pico
• Definition-trillionth• picogram – one trillionth of a gram
• picosecond – one trillionth of a second
25. ideo• Definition- Idea• ideogram – picture or
symbol that represents an idea (I love you.)
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