Words 9 to 24 may be defined in a simple and satisfactory manner by
using some meaning of the suffix _ize_ in the definition with the
first part of the word; thus, _agonize_ means to _cause_ to have
_agony_.

#ist# = one who.

1. _agri cultur_ ist, field + culture
2. _an arch_ ist, without + rule
3. _art_ ist, art
4. _a the_ ist, without + god
5. _botan_ ist, plant
6. _de_ ist, god
7. _dent_ ist, tooth
8. _flor_ ist, flower
9. _ge olog_ ist, earth + science
10. _hypno_ tist, sleep
11. _journ_ alist, day
12. _jur_ ist, right
13. _loy_ alist, law
14. _oc_ ulist, eye
15. _optim_ ist, best
16. _pessim_ ist, worst
17. _re viv_ alist, again + life
18. _roy_ alist, king
19. _sci_ entist, knowledge
20. _somn ambul_ ist, sleep + walk

4. An _atheist_ is _one who_ is _without_ belief in a personal _God_.

6. A _deist_ is _one who_ believes in _God_ but denies revealed
religion.

15. An _optimist_ is _one who_ holds the opinion that all events are
ordered for the _best_.

16. A _pessimist_ is _one who_ has a disposition to take the least
hopeful (_worst_) view of things; one who believes that the ultimate
tendency of the world is toward evil and not good.

#oid# = having the form of, shaped like.

1. _aster_ oid, star
2. _dent_ oid, tooth
3. _ethm_ oid, sieve
4. _spher_ oid, sphere
5. _typh_ oid, cloud, stupor
6. _variol_ oid, various

#meter, metr# = measure.

1. _anemo_ meter, wind
2. _baro_ meter, weight
3. _chrono_ meter, time
4. _dia_ meter, across
5. _gas_ ometer, gas
6. _ge_ ometer, earth
7. _hexa_ meter, six
8. _hydro_ meter, water
9. _lacto_ meter, milk
10. metr _ic_, pertaining to
11. _penta_ meter, five
12. _peri_ meter, around
13. _thermo_ meter, heat
14. _tri gon_ ometry, three + angle

1. The _anemometer_ is an instrument for _measuring_ the force and
velocity of the _wind_.

2. The _barometer measures_ the _weight_ of the atmosphere, and thus
aids in determining the indications of the weather.

3. A _chronometer_ is an instrument for _measuring time_.
Specifically, it is a large and very accurate watch for use in
astronomical observations.

6. _Geometry_ literally means _earth measure_. It treats of the
measurement of surfaces, and is therefore applied in the _measurement_
of _land_.

7. The _hexameter_ in poetry is a _measure_ having _six_ poetic feet
to the line.

8. The _hydrometer_ is used for _measuring_ the specific gravity of
_water_ and other liquids.