• WordNet 3.6
    • v subtilize make (senses) more keen
    • v subtilize make more subtle or refined
    • v subtilize mark fine distinctions and subtleties, as among words
    • ***
Webster's Revised Unabridged Dictionary
    • Subtilize To make thin or fine; to make less gross or coarse.
    • v. i Subtilize To refine in argument; to make very nice distinctions.
    • Subtilize To refine; to spin into niceties; as, to subtilize arguments. "Nor as yet have we subtilized ourselves into savages."
    • ***
Century Dictionary and Cyclopedia
    • subtilize To make thin or fine; make less gross or coarse; refine or etherealize, as matter; spin out finely, as an argument.
    • subtilize To refine; elaborate or spin out, as in argument; make very nice distinctions; split hairs.
    • subtilize Also spelled subtilise.
    • ***


Webster's Revised Unabridged Dictionary
L. subtiliser,


In literature:

A most subtile wench!
"The Poetaster" by Ben Jonson
SUBTLETY (SUBTILITY), subtle device.
"Sejanus: His Fall" by Ben Jonson
SUBTLETY (SUBTILITY), subtle device.
"Every Man In His Humor" by Ben Jonson
Richard was struck by the subtile irony which lay in these inanimate things.
"The Stillwater Tragedy" by Thomas Bailey Aldrich
By subtilizing every thing, the modern theologian becomes as unintelligible to himself as to others.
"Good Sense" by Paul Henri Thiry, Baron D'Holbach
How by the virtue of the decretals, gold is subtilely drawn out of France to Rome.
"Gargantua and Pantagruel, Book IV." by Francois Rabelais
Friendship is not philanthropy: it is a refined and subtile sentiment which binds hearts together in similar labors and experiences.
"Beacon Lights of History, Volume IV" by John Lord
Even worldly courtiers entered with interest into the most subtile of theological controversies.
"Beacon Lights of History, Volume VIII" by John Lord
That which is the subtile essence, in it all that exists has itself.
"Pantheism, Its Story and Significance" by J. Allanson Picton
Let us turn to it for a moment, and behold it in league with elegant accomplishments and a subtile intellect: how complete its triumph!
"Lectures on Art" by Washington Allston

In poetry:

Whose song never bore
So much meaning as now:—
O, sympathy!—subtile
In teaching art thou.
"The Dew-Drop: A Metrical Fantasy" by Samuel Lover
DARK Angel, with thine aching lust
To rid the world of penitence:
Malicious Angel, who still dost
My soul such subtile violence!
"The Dark Angel" by Lionel Pigot Johnson
Sphinx was a monster that would eat
Whatever stranger she could get,
Unless his ready wit disclosed
The subtile riddle she proposed.
"Two Riddles. -- 1710" by Matthew Prior
Hide still, best Good, in subtile wise,
Beyond my nature's utmost scope;
Be ever absent from mine eyes
To be twice present in my hope!
"The Miner" by James Russell Lowell
And when I fall, like some old tree,
And subtile change makes mould of me,
There let earth show a fertile line
Whence perfect wild-flowers leap and shine.
"A Prelude" by Maurice Thompson
Thou art a poet, yet perchance may find
The birds will carol more delicious lays;
Thy waves of song may melt in melody,
Yet softer is the music of the sea.
Thou canst not rhyme so sweetly as the wind,
And nature is too subtile for thy phrase.
"Across The Sea - I - Childhood" by Thomas Chard

In science:

We will not entered the subtilities of planar maps nor in the details of the construction of the UIPQ and refer to [19, 21, 24] for more details.
Ergodic Theory on Stationary Random Graphs
There is however one subtility, arising from the fact that some of the fiber dom ains Dt may not be smoothly bounded.
Subharmonicity properties of the Bergman kernel and some other functions associated to pseudoconvex domains
It is constructed by joining two subtiles, denoted by dashed edges, with a sequence of 2w + 1 subtiles, of which one is drawn with thick edges.
Infinite families of crossing-critical graphs with prescribed average degree and crossing number
Then we form S (n+ 1) by placing polyhedra onto fans. A fan A in S (n) will be replaced by several subtiles in S (n + 1) corresponding to unglued faces of the polyhedron.
Creating subdivision rules from polyhedra with identifications
Because our polyhedra are spread out (recall Definition 3), these subtiles share either one edge or two contiguous edges with the fan.
Creating subdivision rules from polyhedra with identifications