13-Letter Words Containing: U,N,D,E,R,L,A,P

• not capable of being foretold

• unknown in advance

• not occurring at a regular rate or fixed intervals

• intersecting at or forming right angles

• at right angles to the plane of the horizon or a base line

• a straight line at right angles to another line

• a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting

• a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

• an extremely steep face

• so steep as to be nearly vertical

• form by reduplication

• make or do or perform again

• repetition of the final words of a sentence or line at the beginning of the next

• the syllable added in a reduplicated word form

• a word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word)

• the act of repeating over and again (or an instance thereof)

• A stack of calenders consisting of alternating steel and fiber-covered rolls through which paper is passed to increase its density, smoothness and gloss.

• To pass (paper) through a supercalender.

• Not yet industrialized.