Optics
<div class="def-set"><span class="def-number"><span class="oneClick-link">1.</span></span>
<div class="def-content">(<span class="dbox-italic"><span class="oneClick-link">used</span> <span class="oneClick-link">with</span> <span class="oneClick-link">a</span> <span class="oneClick-link">singular</span> <span class="oneClick-link">verb</span></span>) <span class="oneClick-link">the</span> <span class="oneClick-link">branch</span> <span class="oneClick-link">of</span> <span class="oneClick-link">physical</span> <span class="oneClick-link">science</span> <span class="oneClick-link">that</span> <span class="oneClick-link">deals</span><span class="oneClick-link">with</span> <span class="oneClick-link">the</span> <span class="oneClick-link">properties</span> <span class="oneClick-link">and</span> <span class="oneClick-link">phenomena</span> <span class="oneClick-link">of</span> <span class="oneClick-link">both</span> <span class="oneClick-link">visible</span> <span class="oneClick-link">and</span> <span class="oneClick-link">invisible</span> <span class="oneClick-link">light</span><span class="oneClick-link">and</span> <span class="oneClick-link">with</span> <span class="oneClick-link">vision.</span></div>
</div>
<div class="def-set"><span class="def-number"><span class="oneClick-link">2.</span></span>
<div class="def-content">(<span class="dbox-italic"><span class="oneClick-link">used</span> <span class="oneClick-link">with</span> <span class="oneClick-link">a</span> <span class="oneClick-link oneClick-available">plural</span> <span class="oneClick-link">verb</span></span>) <span class="oneClick-link">the</span> <span class="oneClick-link">way</span> <span class="oneClick-link">a</span> <span class="oneClick-link">situation,</span> <span class="oneClick-link">action,</span> <span class="oneClick-link">event,</span> <span class="oneClick-link">etc.,</span> <span class="oneClick-link">is</span><span class="oneClick-link">perceived</span> <span class="oneClick-link">by</span> <span class="oneClick-link">the</span> <span class="oneClick-link">public</span> <span class="oneClick-link">or</span> <span class="oneClick-link">by</span> <span class="oneClick-link">a</span> <span class="oneClick-link">particular</span> <span class="oneClick-link">group</span> <span class="oneClick-link">of</span> <span class="oneClick-link">people:</span> <span class="dbox-example"><span class="oneClick-link">The</span> <span class="oneClick-link">optics</span><span class="oneClick-link">on</span> <span class="oneClick-link">this</span> <span class="oneClick-link">issue</span> <span class="oneClick-link">are</span> <span class="oneClick-link oneClick-available">pretty</span> <span class="oneClick-link">good</span> <span class="oneClick-link">for</span> <span class="oneClick-link">the</span> <span class="oneClick-link">Democrats.</span></span>
<div class="def-block def-inline-example"><span class="dbox-example"><span class="oneClick-link">Administrators</span> <span class="oneClick-link oneClick-available">worry</span> <span class="oneClick-link">about</span> <span class="oneClick-link">the</span> <span class="oneClick-link">bad</span> <span class="oneClick-link">optics</span> <span class="oneClick-link">of</span> <span class="oneClick-link oneClick-available">hiring</span> <span class="oneClick-link oneClick-available">new</span> <span class="oneClick-link">staff</span> <span class="oneClick-link">during</span> <span class="oneClick-link">a</span><span class="oneClick-link">budget</span> <span class="oneClick-link">crisis.</span></span></div>
</div>
</div>